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Patent drawing - Drawing of a Surveyor's Compass Public domain image

Patent drawing - Drawing of a Surveyor's Compass Public domain image

This patent was designed by Samuel Kern. Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Combined Military Cloak and Mattress Public domain image

Patent drawing - Drawing of Combined Military Cloak and Mattress Publi...

Utility Patent Drawings Public domain photograph - United States military, propaganda free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Floating Battery Public domain image

Patent drawing - Drawing of Floating Battery Public domain image

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description Public domain photograph of a technical diagram, ... More

Patent Drawing of Engine - Drawing of Improvements in Breech Loading Fire Arms Public domain image

Patent Drawing of Engine - Drawing of Improvements in Breech Loading F...

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description Public domain photograph of a technical diagram, ... More

Patent drawing - Drawing of Improved Ambulance Carriage Public domain image

Patent drawing - Drawing of Improved Ambulance Carriage Public domain ...

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of Artificial Leg Public domain image

Patent drawing - Drawing of Artificial Leg Public domain image

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent Drawing of Engine - Drawing of Toy Monument Public domain image

Patent Drawing of Engine - Drawing of Toy Monument Public domain imag...

Utility Patent Drawings Public domain photograph of 19th century drawing, free to use, no copyright restrictions image - Picryl description

Patent drawing - for C. P. Fest's Air Ship Public domain image

Patent drawing - for C. P. Fest's Air Ship Public domain image

Utility Patent Drawings Public domain photograph of a technical diagram, architecture, plan, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing of a Velocipede Public domain image

Patent drawing - Drawing of a Velocipede Public domain image

This patent was designed by R. Tragardh. Utility Patent Drawings Public domain photograph of 19th century drawing, free to use, no copyright restrictions image - Picryl description

Patent drawing - Drawing for a Submarine Boat Public domain image

Patent drawing - Drawing for a Submarine Boat Public domain image

This is the printed patent drawing for a submarine boat invented by John P. Holland. Patent Case Files

J.J. Dutcher Eel Trap - DPLA - b347afd7697c9d6687a941c363c75747 (page 1)

J.J. Dutcher Eel Trap - DPLA - b347afd7697c9d6687a941c363c75747 (page ...

G.M. Phelps Printing-Telegraphs - DPLA - ab61bb50de4033d3a8f6b21582291acd (page 1)

G.M. Phelps Printing-Telegraphs - DPLA - ab61bb50de4033d3a8f6b21582291...

J. C. Brewster Desulphurizing Ovens - DPLA - 1ab92da235ad2547ee1f4c4b28f25892 (page 1)

J. C. Brewster Desulphurizing Ovens - DPLA - 1ab92da235ad2547ee1f4c4b2...

Lyman R. Blake Improvement in Channellers - DPLA - f337f5b7eee2df9ad9eba1c940f73891 (page 1)

Lyman R. Blake Improvement in Channellers - DPLA - f337f5b7eee2df9ad9e...

O.A. Olmsted Improvement in Traction-Engines - DPLA - dfd548b771a6c3848147a5a488eea4ad (page 1)

O.A. Olmsted Improvement in Traction-Engines - DPLA - dfd548b771a6c384...

Axel L. Rothman Improvement in Bessemer Plants - DPLA - 6cf02b4b76986ce9aad8814e0a32045b (page 1)

Axel L. Rothman Improvement in Bessemer Plants - DPLA - 6cf02b4b76986c...

E. M. May Molds for Ice - Cream, Jellies, & c - DPLA - f5036ae809895090dd4bfd1f1c8d6705 (page 1)

E. M. May Molds for Ice - Cream, Jellies, & c - DPLA - f5036ae80989509...

E. M. Potter Seed-Planter - DPLA - 260c2f57f5c9f255fec4d8a3e7155ec6 (page 1)

E. M. Potter Seed-Planter - DPLA - 260c2f57f5c9f255fec4d8a3e7155ec6 (p...

Sketch of Improvement of sullivan Falls, ME. - DPLA - d81fe090eb8c9ca357c92240dd044418

Sketch of Improvement of sullivan Falls, ME. - DPLA - d81fe090eb8c9ca3...

George & Haines O' Connor's Corn Sheller - DPLA - 381bfb1e33226ced10a63860c3f12acb (page 1)

George & Haines O' Connor's Corn Sheller - DPLA - 381bfb1e33226ced10a6...

G.M. Phelps Printing-Telegraphs - DPLA - ab61bb50de4033d3a8f6b21582291acd (page 3)

G.M. Phelps Printing-Telegraphs - DPLA - ab61bb50de4033d3a8f6b21582291...

G.M. Pratt and V.A. King Machines for Dressing Cam-Grooves - DPLA - c82d964ddd2bfe43c4da2315e6f6fd23 (page 1)

G.M. Pratt and V.A. King Machines for Dressing Cam-Grooves - DPLA - c8...

William Corliss Improvement in Safes - DPLA - 09ee38f20986f4c9b40c6cc22aaa59b0 (page 3)

William Corliss Improvement in Safes - DPLA - 09ee38f20986f4c9b40c6cc2...

J.A. Middleton Improvement in Apparatus for Mixing and Preparing Materials for the Manufacture of Drain-Pipes, Etc. - DPLA - 61dab185bb2cfc9e78a6456b2a9c2ab0 (page 1)

J.A. Middleton Improvement in Apparatus for Mixing and Preparing Mater...

J.A. Miles Inking-Pads - DPLA - 9fc6e3c5c288a8611f37f5d6499bd56b (page 1)

J.A. Miles Inking-Pads - DPLA - 9fc6e3c5c288a8611f37f5d6499bd56b (page...

J. W. Court & C. O. Crosby Machines for Making Fish - Hooks - DPLA - 4a2d225a1fa0e6ad8582434877a16f1d (page 7)

J. W. Court & C. O. Crosby Machines for Making Fish - Hooks - DPLA - 4...

J.A. Merrill and D.W. Kempton Car-Couplings - DPLA - 032a1b8deaff490bca127daf63443865 (page 1)

J.A. Merrill and D.W. Kempton Car-Couplings - DPLA - 032a1b8deaff490bc...

Joseph Ellisdon Improvement in Canopies - DPLA - 8585733d289a65bf88136530778e39ae (page 1)

Joseph Ellisdon Improvement in Canopies - DPLA - 8585733d289a65bf88136...

Alanson F. Noble's Improvements in Vapor Burners - DPLA - 9753c5524abf81ea4ed12182a4340386 (page 1)

Alanson F. Noble's Improvements in Vapor Burners - DPLA - 9753c5524abf...

Alanson Cary Telegraph Wire Coupling - DPLA - 3b71c5f67517a7fca1dd4c5d4a93deb4 (page 1)

Alanson Cary Telegraph Wire Coupling - DPLA - 3b71c5f67517a7fca1dd4c5d...

George & Hiram Ives Bent Sleigh Knee , Bench & Brace - DPLA - 7f151e32f210c6fd54450599c766fd93 (page 1)

George & Hiram Ives Bent Sleigh Knee , Bench & Brace - DPLA - 7f151e32...

H. Hill Canals - DPLA - 900cd8fc9aaed06cad8ed927e52f3e43 (page 3)

H. Hill Canals - DPLA - 900cd8fc9aaed06cad8ed927e52f3e43 (page 3)

I. Merritt Fire - Escapes - DPLA - 6e702afb87f7d03e8c42cdfa4c62bf37 (page 1)

I. Merritt Fire - Escapes - DPLA - 6e702afb87f7d03e8c42cdfa4c62bf37 (p...

I. L. Landis Combined Ironing-Board and Step-Ladders - DPLA - 7965f383d9b9d1b1b8bfd80e674379bc (page 1)

I. L. Landis Combined Ironing-Board and Step-Ladders - DPLA - 7965f383...

J. Mills Dumping-Wagons - DPLA - 574b97ab2f32ad1733a5210137a996ad (page 1)

J. Mills Dumping-Wagons - DPLA - 574b97ab2f32ad1733a5210137a996ad (pag...

J.J. Fraikin Car-Couplings - DPLA - 2a60561a79583434a45333838b9b6609 (page 1)

J.J. Fraikin Car-Couplings - DPLA - 2a60561a79583434a45333838b9b6609 (...

J. Mills Horse-Shoe Nail Machines - DPLA - 05c374f87e0996f32c40036337f8b652 (page 1)

J. Mills Horse-Shoe Nail Machines - DPLA - 05c374f87e0996f32c40036337f...

Joseph Hurd, Jr.'s Machine for cutting Beet Root - DPLA - b4ffda77e6bf1947209f51bef4e24bb0 (page 1)

Joseph Hurd, Jr.'s Machine for cutting Beet Root - DPLA - b4ffda77e6bf...

L. Chapman Dies for Forming Wrench - Heads - DPLA - 82726fdaaea0041b4db238784aa07b1c (page 1)

L. Chapman Dies for Forming Wrench - Heads - DPLA - 82726fdaaea0041b4d...

L. Chapman Dies for Forming Wrench - Heads - DPLA - adf3282d48a4f399044bce20d68239e6 (page 1)

L. Chapman Dies for Forming Wrench - Heads - DPLA - adf3282d48a4f39904...

Foundation and Staging for the Front Beacon of Craighill Channel, Craighill Channel Light Station - DPLA - 41b2aec1c85a79db67cdd431bd2d9deb (page 1)

Foundation and Staging for the Front Beacon of Craighill Channel, Crai...

Foundation Plan, End Section of Addition and End Section of Station Building, Ocean City Station - DPLA - 6ecfbe06062c1a2b97861e814ef6b524 (page 1)

Foundation Plan, End Section of Addition and End Section of Station Bu...

Foundation and Staging for the Front Beacon of Craighill Channel, Craighill Channel Light Station - DPLA - 41b2aec1c85a79db67cdd431bd2d9deb (page 2)

Foundation and Staging for the Front Beacon of Craighill Channel, Crai...

O. S. Hosmer Machines for Darning Stockings - DPLA - b47a5e002b0c717a71484aeb8c83dc6d (page 1)

O. S. Hosmer Machines for Darning Stockings - DPLA - b47a5e002b0c717a7...

Ohio River Survey, Including Structures Built On the River - DPLA - 6f735757eb8273fb3adf6f22db3f11cf (page 64)

Ohio River Survey, Including Structures Built On the River - DPLA - 6f...

A.R. Guilder Improvement in Middlings-Separators - DPLA - e245ab3b23b5bfd7506012135dd39b3c (page 3)

A.R. Guilder Improvement in Middlings-Separators - DPLA - e245ab3b23b5...

Allexey W. Von Schmidt Improvement in Tunneling - Machines - DPLA - 3ba1bf7df70a6b13807e804d4d54a38e (page 1)

Allexey W. Von Schmidt Improvement in Tunneling - Machines - DPLA - 3b...

B. M. Denison & J. H. June Reach - Couplings for Bob - Sleds - DPLA - 530547f08ed33171be29069f6f5eb721 (page 1)

B. M. Denison & J. H. June Reach - Couplings for Bob - Sleds - DPLA - ...

D. Dodge Machines for Finishing Horseshoe Nails - DPLA - d510506cac2fe640122da59412e4aff0 (page 1)

D. Dodge Machines for Finishing Horseshoe Nails - DPLA - d510506cac2fe...

D. Dodge Machines for Finishing Horseshoe Nails - DPLA - d510506cac2fe640122da59412e4aff0 (page 3)

D. Dodge Machines for Finishing Horseshoe Nails - DPLA - d510506cac2fe...

D. M. Cobb Cradles - DPLA - d24854cdbf9710c751baf841907db847 (page 1)

D. M. Cobb Cradles - DPLA - d24854cdbf9710c751baf841907db847 (page 1)

D. Duesler Grain - Cradles - DPLA - 5c1f1b4468773c24e9ed88144d45baf1 (page 1)

D. Duesler Grain - Cradles - DPLA - 5c1f1b4468773c24e9ed88144d45baf1 (...

David J. Farmer Nail & Tack Machine - DPLA - c806c173a97513dd87cf743b4ad6dd11 (page 3)

David J. Farmer Nail & Tack Machine - DPLA - c806c173a97513dd87cf743b4...

David Lewis, Jr.'s Impt (Improvement) in Machines for Mowing and Cutting Grass and Grain - DPLA - 078acff3d522308ca568fae2c4479176 (page 2)

David Lewis, Jr.'s Impt (Improvement) in Machines for Mowing and Cutti...

David J. Farmer Nail & Tack Machine - DPLA - c806c173a97513dd87cf743b4ad6dd11 (page 1)

David J. Farmer Nail & Tack Machine - DPLA - c806c173a97513dd87cf743b4...

David J. Farmer Nail & Tack Machine - DPLA - c806c173a97513dd87cf743b4ad6dd11 (page 5)

David J. Farmer Nail & Tack Machine - DPLA - c806c173a97513dd87cf743b4...

E. Gerry Bee-Hives - DPLA - e7965db9a606c5f7540b2688830c3b83 (page 3)

E. Gerry Bee-Hives - DPLA - e7965db9a606c5f7540b2688830c3b83 (page 3)

E. Lynch Improvement in Steam Canal-Boats - DPLA - 513fe0e637a2e956aaa5aa2c274abceb (page 1)

E. Lynch Improvement in Steam Canal-Boats - DPLA - 513fe0e637a2e956aaa...

E. M. Crandal Bungs and Vents - DPLA - 21162fd35df4bf72a8956d511c7eb6e6 (page 1)

E. M. Crandal Bungs and Vents - DPLA - 21162fd35df4bf72a8956d511c7eb6e...

E. M. George Adjustably - Hinged Gates - DPLA - 7b6fb3cd957adb84c522786ac64fb92d (page 1)

E. M. George Adjustably - Hinged Gates - DPLA - 7b6fb3cd957adb84c52278...

E. Getz Door - Checks and Fasteners for Locomotive Cab - Doors - DPLA - 3d0f4e2aac2d54a073644b0744779957 (page 1)

E. Getz Door - Checks and Fasteners for Locomotive Cab - Doors - DPLA ...

E. Leonard Grain-Drills - DPLA - 23e47da333bb71175b3b8bcf48f61c83 (page 1)

E. Leonard Grain-Drills - DPLA - 23e47da333bb71175b3b8bcf48f61c83 (pag...

E. M. Chaffee, dec'd (G. L. Porter, Adm'r) Tubular Seamless Hose - DPLA - 00227d73cd1bb30569de689d51298e7e (page 1)

E. M. Chaffee, dec'd (G. L. Porter, Adm'r) Tubular Seamless Hose - DPL...

E. Lovell Sofa - Bedsteads - DPLA - df020f6adf8220ae8b1008f462293da6 (page 1)

E. Lovell Sofa - Bedsteads - DPLA - df020f6adf8220ae8b1008f462293da6 (...

E. Little, A. S. Bailey & F. L. Clarke Car-Pushers - DPLA - 83c64c7876178896dda0325a34e4037e (page 1)

E. Little, A. S. Bailey & F. L. Clarke Car-Pushers - DPLA - 83c64c7876...

E. M. Bement Tables - DPLA - 441d2dc1cdc81fed53412cf0cecba0f5 (page 1)

E. M. Bement Tables - DPLA - 441d2dc1cdc81fed53412cf0cecba0f5 (page 1)

E. M. Deey Parlor Cooking-Stoves - DPLA - c524bf5e9c4394849d2212f9d0971780 (page 1)

E. M. Deey Parlor Cooking-Stoves - DPLA - c524bf5e9c4394849d2212f9d097...

E. M. Crandal Pencil - Sharpeners - DPLA - d1aa966dcdcb963fdf7c6ded556c02f8 (page 1)

E. M. Crandal Pencil - Sharpeners - DPLA - d1aa966dcdcb963fdf7c6ded556...

E. M. Judo Bolts - DPLA - c63af442a206eaa1a91973a7e96ba2dd (page 1)

E. M. Judo Bolts - DPLA - c63af442a206eaa1a91973a7e96ba2dd (page 1)

G. H. Van Vleck Counting - Registers - DPLA - d03851d0511252e6f0a2aa48c67a283f (page 1)

G. H. Van Vleck Counting - Registers - DPLA - d03851d0511252e6f0a2aa48...

I. Rigdon Scale Beam and Weight - DPLA - 45d3e16644fc38d42814cb735ef6ca92 (page 5)

I. Rigdon Scale Beam and Weight - DPLA - 45d3e16644fc38d42814cb735ef6c...

J. C. Brewer Portable Furnaces - DPLA - 19b3b4e0daea7069b14fd9a17f4848c6 (page 1)

J. C. Brewer Portable Furnaces - DPLA - 19b3b4e0daea7069b14fd9a17f4848...

J. Stafford Wheel Cultivators - DPLA - 534794302879dfdf2d7e0d4166cedd8d (page 1)

J. Stafford Wheel Cultivators - DPLA - 534794302879dfdf2d7e0d4166cedd8...

J. Utter Planing-Machines - DPLA - 2275c1552a2d6e643d0ec477422973c6 (page 1)

J. Utter Planing-Machines - DPLA - 2275c1552a2d6e643d0ec477422973c6 (p...

J. St. John's Patent Drawing for a Domestic Oven - DPLA - 6f00dca78e605302e894e4eba2c38e0d (page 2)

J. St. John's Patent Drawing for a Domestic Oven - DPLA - 6f00dca78e60...

J.W. Averill Gas-Burners - DPLA - f015983815dac6c37f57501e78203743 (page 1)

J.W. Averill Gas-Burners - DPLA - f015983815dac6c37f57501e78203743 (pa...

J.W. Barbour Mop-Heads - DPLA - 2a266b5304da95997555f78ffec6177b (page 1)

J.W. Barbour Mop-Heads - DPLA - 2a266b5304da95997555f78ffec6177b (page...

Design for New Lighthouses, Hooper Straits and Laurel Point, Hooper Straits Light Station - DPLA - 547b0ff114ae6f1a664731e50cfd9630 (page 1)

Design for New Lighthouses, Hooper Straits and Laurel Point, Hooper St...

John N. Gamewell Improvements in Signal-boxes for Electro-magnetic Fire Alarm Telegraphs - DPLA - b3a52645724508af1a604a760ecb3566 (page 1)

John N. Gamewell Improvements in Signal-boxes for Electro-magnetic Fir...

John Speirs Improvement in Sewing - Machines - DPLA - 2b12d94ddb1a2c85dc6f5b4342a151cb (page 1)

John Speirs Improvement in Sewing - Machines - DPLA - 2b12d94ddb1a2c85...

Joseph Hurd, Jr.'s Patent Drawing for an Improved Cooking Stone - DPLA - e9fbe9d1b8185759601c195f49a8dfce (page 1)

Joseph Hurd, Jr.'s Patent Drawing for an Improved Cooking Stone - DPLA...

Julian M. Case Improvement in Alarms for Money - Drawers - DPLA - 8d4074c7ecec74f3858df0c2fa97f282 (page 1)

Julian M. Case Improvement in Alarms for Money - Drawers - DPLA - 8d40...

La F. Blair Fifth-Wheel for Vehicles - DPLA - 671d559feb9893faa07c4f4587a1a7ad (page 1)

La F. Blair Fifth-Wheel for Vehicles - DPLA - 671d559feb9893faa07c4f45...

M. Anderson Ofall Driers - DPLA - 7d93d5b409a28529906f607cdb4b81d4 (page 1)

M. Anderson Ofall Driers - DPLA - 7d93d5b409a28529906f607cdb4b81d4 (pa...

Norborne Berkeley (assignor to self and Charles B. Wildman) Combined Carriage Jack & Bag-Holder - DPLA - 9b48712975a417a1893b82e334f2c165 (page 1)

Norborne Berkeley (assignor to self and Charles B. Wildman) Combined C...

Ohio River Survey, Including Structures Built On the River - DPLA - 6f735757eb8273fb3adf6f22db3f11cf (page 65)

Ohio River Survey, Including Structures Built On the River - DPLA - 6f...

A. J. Schindler Devices for Turning Locomotive Crank Pins - DPLA - ae8f0ed51a2224f908f285884253f78f (page 1)

A. J. Schindler Devices for Turning Locomotive Crank Pins - DPLA - ae8...

A. Loeffelholz & A. Prier Lanterns - DPLA - 73b5c5e6b9c259423b85527e095dad00 (page 1)

A. Loeffelholz & A. Prier Lanterns - DPLA - 73b5c5e6b9c259423b85527e09...

A. Lowe Cow-Stalls - DPLA - 3fad9a177d13cce9e79670f2ad364246 (page 1)

A. Lowe Cow-Stalls - DPLA - 3fad9a177d13cce9e79670f2ad364246 (page 1)

A.P. Mason Check Rein Swivel - DPLA - f515f3b7005b293caf8a61c3f136598e (page 1)

A.P. Mason Check Rein Swivel - DPLA - f515f3b7005b293caf8a61c3f136598e...

A.C. Barstow Cooking-Stoves - DPLA - c7a3e06e90de8539a7b93312718e7155 (page 1)

A.C. Barstow Cooking-Stoves - DPLA - c7a3e06e90de8539a7b93312718e7155 ...

A.C. Hobbs Machines for Winding Wads - DPLA - 547b72815093bffa2f2f032f11ac2af5 (page 1)

A.C. Hobbs Machines for Winding Wads - DPLA - 547b72815093bffa2f2f032f...

A.R. Guilder Improvement in Middlings-Separators - DPLA - e245ab3b23b5bfd7506012135dd39b3c (page 1)

A.R. Guilder Improvement in Middlings-Separators - DPLA - e245ab3b23b5...

August F. Schmidt's Improved Wine Filter - DPLA - ae580f3cb092c1737a9484e999e4da80 (page 1)

August F. Schmidt's Improved Wine Filter - DPLA - ae580f3cb092c1737a94...

Augustus Chestnutwood Screen - DPLA - 80954fbf576c216b5a313912e257b321 (page 1)

Augustus Chestnutwood Screen - DPLA - 80954fbf576c216b5a313912e257b321...

B. Morris' Patent Drawing for a Sofa Bedstead - DPLA - 89c8442de8d82711e542039ab0c73246 (page 1)

B. Morris' Patent Drawing for a Sofa Bedstead - DPLA - 89c8442de8d8271...

Bernard McConnell Combination of a Heating Furnace and a Cooking Stove - DPLA - 0615881ba0e0345b0274b2dbb02a1e96 (page 1)

Bernard McConnell Combination of a Heating Furnace and a Cooking Stove...

Bernard McConnell Combination of a Heating Furnace and a Cooking Stove - DPLA - 0615881ba0e0345b0274b2dbb02a1e96 (page 3)

Bernard McConnell Combination of a Heating Furnace and a Cooking Stove...

Bickford P. Hutchinson Improvement in Horse - Shoes - DPLA - 94a9ffd384105b67b9f3086b4133c8a9 (page 1)

Bickford P. Hutchinson Improvement in Horse - Shoes - DPLA - 94a9ffd38...

C. Gilbert Apparatus for the Manufacture of Starch - DPLA - 80db5ca0b65e3f651edcdef966dc9729 (page 1)

C. Gilbert Apparatus for the Manufacture of Starch - DPLA - 80db5ca0b6...

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