100 sheets · 1840–1983
The Collection
Every sheet in the archive, in chronological order — from the telegraph to the cube. Original drawings from the United States Patent Office, printed as technical plates.
Full archive
US 1,647Electro-Magnetic Telegraph1840
Sheet PD-01
Electro-Magnetic Telegraph
US 4,750Improvement in sewing-machines1846
Sheet PD-02
Improvement in sewing-machines
US 6,281Dress-Pin1849
Sheet PD-03
Dress-Pin
US 19,783Combination of lead-pencil and eraser1858
Sheet PD-04
Combination of lead-pencil and eraser
US 31,128Improvement in hoisting apparatus1861
Sheet PD-05
Improvement in hoisting apparatus
US 37,305Improvement in skates1863
Sheet PD-06
Improvement in skates
US 59,915Improvement in velocipedes1866
Sheet PD-07
Improvement in velocipedes
US 88,929Improvement in steam-power-brake devices1869
Sheet PD-08
Improvement in steam-power-brake devices
US 157,124Improvement in wire-fences1874
Sheet PD-09
Improvement in wire-fences
US 174,465Improvement in Telegraphy1876
Sheet PD-10
Improvement in Telegraphy
US 200,521Phonograph or Speaking Machine1878
Sheet PD-11
Phonograph or Speaking Machine
US 264,652Incandescent Electric Lamp1882
Sheet PD-12
Incandescent Electric Lamp
US 271,363Cash register and indicator1883
Sheet PD-13
Cash register and indicator
US 293,545Fountain-pen1884
Sheet PD-14
Fountain-pen
US 310,966Roller coasting structure1885
Sheet PD-15
Roller coasting structure
US 355,139Dish-washing machine1886
Sheet PD-16
Dish-washing machine
US 372,786Gramophone1887
Sheet PD-17
Gramophone
US 381,968Electro-magnetic motor1888
Sheet PD-18
Electro-magnetic motor
US 388,850Camera1888
Sheet PD-19
Camera
US 395,782Art of compiling statistics1889
Sheet PD-20
Art of compiling statistics
US 446,054Ouija or Egyptian Luck-Board1891
Sheet PD-21
Ouija or Egyptian Luck-Board
US 465,588Toilet-paper roll1891
Sheet PD-22
Toilet-paper roll
US 468,258Bottle-sealing device1892
Sheet PD-23
Bottle-sealing device
US 470,918Endless Conveyor or Elevator1892
Sheet PD-24
Endless Conveyor or Elevator
US 528,671Animal-trap1894
Sheet PD-25
Animal-trap
US 568,630Type Writing Machine1896
Sheet PD-26
Type Writing Machine
US 586,193transmitting electrical signals1897
Sheet PD-27
transmitting electrical signals
US 589,168Kinetographic camera1897
Sheet PD-28
Kinetographic camera
US 608,845Internal-combustion engine1898
Sheet PD-29
Internal-combustion engine
US 638,920Golf-tee1899
Sheet PD-30
Golf-tee
US 675,761Paper clip or holder1901
Sheet PD-31
Paper clip or holder
US 702,729Submarine boat1902
Sheet PD-32
Submarine boat
US 743,801Window-cleaning device1903
Sheet PD-33
Window-cleaning device
US 775,134Razor1904
Sheet PD-34
Razor
US 808,897Apparatus for treating air1906
Sheet PD-35
Apparatus for treating air
US 821,393Flying Machine1906
Sheet PD-36
Flying Machine
US 822,981Garment-hanger1906
Sheet PD-37
Garment-hanger
US 879,532Space telegraphy1908
Sheet PD-38
Space telegraphy
US 889,823Carpet sweeper and cleaner1908
Sheet PD-39
Carpet sweeper and cleaner
US 1,102,653Rocket Apparatus1914
Sheet PD-40
Rocket Apparatus
US 1,108,484Parachute1914
Sheet PD-41
Parachute
US 1,119,732Apparatus for transmitting electrical energy1914
Sheet PD-42
Apparatus for transmitting electrical energy
US 1,203,495Vacuum-tube1916
Sheet PD-43
Vacuum-tube
US 1,219,881Separable fastener1917
Sheet PD-44
Separable fastener
US 1,342,885Method of receiving high-frequency oscillations1920
Sheet PD-45
Method of receiving high-frequency oscillations
US 1,394,450Bread-toaster1921
Sheet PD-46
Bread-toaster
US 1,475,024Traffic signal1923
Sheet PD-47
Traffic signal
US 1,707,570Loud-speaker1929
Sheet PD-48
Loud-speaker
US 1,773,980Television system1930
Sheet PD-49
Television system
US 1,781,541Refrigeration1930
Sheet PD-50
Refrigeration
US 1,909,537Drive-in theater1933
Sheet PD-51
Drive-in theater
US 1,948,384Method and apparatus for the acceleration of ions1934
Sheet PD-52
Method and apparatus for the acceleration of ions
US 1,994,488Direct lift aircraft1935
Sheet PD-53
Direct lift aircraft
US 2,026,082Board Game Apparatus1935
Sheet PD-54
Board Game Apparatus
US 2,032,695Pocket lighter1936
Sheet PD-55
Pocket lighter
US 2,089,171Electrical stringed musical instrument1937
Sheet PD-56
Electrical stringed musical instrument
US 2,118,318Coin controlled parking meter1938
Sheet PD-57
Coin controlled parking meter
US 2,168,726Propulsion of aircraft and gas turbines1939
Sheet PD-58
Propulsion of aircraft and gas turbines
US 2,196,914Folding basket carriage for self-service stores1940
Sheet PD-59
Folding basket carriage for self-service stores
US 2,292,387Secret communication system1942
Sheet PD-60
Secret communication system
US 2,297,691Electrophotography1942
Sheet PD-61
Electrophotography
US 2,370,990Tumbling device1945
Sheet PD-62
Tumbling device
US 2,390,636Writing instrument1945
Sheet PD-63
Writing instrument
US 2,415,012Toy and process of use1947
Sheet PD-64
Toy and process of use
US 2,485,039Diving unit1949
Sheet PD-65
Diving unit
US 2,495,429Method of treating foodstuffs1950
Sheet PD-66
Method of treating foodstuffs
US 2,524,035Three-electrode circuit element utilizing semiconductive materials1950
Sheet PD-67
Three-electrode circuit element utilizing semiconductive materials
US 2,543,181Photographic product comprising a rupturable container carrying a photographic processing liquid1951
Sheet PD-68
Photographic product comprising a rupturable container carrying a photographic processing liquid
US 2,569,347Circuit element utilizing semiconductive material1951
Sheet PD-69
Circuit element utilizing semiconductive material
US 2,612,994Classifying apparatus and method1952
Sheet PD-70
Classifying apparatus and method
US 2,642,679Ice rink resurfacing machine1953
Sheet PD-71
Ice rink resurfacing machine
US 2,708,656Neutronic reactor1955
Sheet PD-72
Neutronic reactor
US 2,717,437Velvet type fabric and method of producing same1955
Sheet PD-73
Velvet type fabric and method of producing same
US 2,741,146Tremolo Device1956
Sheet PD-74
Tremolo Device
US 2,780,765Solar energy converting apparatus1957
Sheet PD-75
Solar energy converting apparatus
US 2,929,922Masers and maser communications system1960
Sheet PD-76
Masers and maser communications system
US 2,976,755Electromagnetic pickup for lute-type musical instrument1961
Sheet PD-77
Electromagnetic pickup for lute-type musical instrument
US 2,981,877Semiconductor device-and-lead structure1961
Sheet PD-78
Semiconductor device-and-lead structure
US 3,005,282Toy Building Brick1961
Sheet PD-79
Toy Building Brick
US 3,043,625Safety belt1962
Sheet PD-80
Safety belt
US 3,055,113Tracing device1962
Sheet PD-81
Tracing device
US 3,057,356Medical cardiac pacemaker1962
Sheet PD-82
Medical cardiac pacemaker
US 3,079,728Hoop toy1963
Sheet PD-83
Hoop toy
US 3,093,346Space capsule1963
Sheet PD-84
Space capsule
US 3,120,606Electronic numerical integrator and computer1964
Sheet PD-85
Electronic numerical integrator and computer
US 3,138,743Miniaturized electronic circuits1964
Sheet PD-86
Miniaturized electronic circuits
US 3,359,678Flying saucer1967
Sheet PD-87
Flying saucer
US 3,387,396Display devices1968
Sheet PD-88
Display devices
US 3,454,279Apparatus for playing a game wherein the players constitute the game pieces1969
Sheet PD-89
Apparatus for playing a game wherein the players constitute the game pieces
US 3,475,623Electronic Filter1969
Sheet PD-90
Electronic Filter
US 3,541,541X-Y Position Indicator1970
Sheet PD-91
X-Y Position Indicator
US 3,565,454Skateboard1971
Sheet PD-92
Skateboard
US 3,585,356Liquid support for human bodies1971
Sheet PD-93
Liquid support for human bodies
US 3,751,727Space suit1973
Sheet PD-94
Space suit
US 3,789,832Apparatus and method for detecting cancer in tissue1974
Sheet PD-95
Apparatus and method for detecting cancer in tissue
US 3,906,166Radio telephone system1975
Sheet PD-96
Radio telephone system
US 4,063,220Multipoint data communication system with collision detection1977
Sheet PD-97
Multipoint data communication system with collision detection
US 4,131,919Electronic still camera1978
Sheet PD-98
Electronic still camera
US 4,378,116Spatial Logical Toy1983
Sheet PD-99
Spatial Logical Toy
US 4,405,829Cryptographic communications system and method1983
Sheet PD-100
Cryptographic communications system and method