Us Patent Office

Public domain photograph of a machine part, motor, equipment, free to use, no copyright restrictions image - Picryl description

Drawing of a Collapsible drum patent from William A. Barry.

Patent Drawings Solgram Camera 1904

Figure 1 from the 1947 US Patent 2951176 on the w:Williams tube, perhaps the earliest successful computer memory.

Winchester Model 1895, J. M. Browning Box Magazine Firearm, U.S. Patent No. 549.345, image 1

Winchester Model 1895, J. M. Browning Box Magazine Firearm, U.S. Patent No. 549.345, image 2

Winchester Model 1895, J. M. Browning Box Magazine Firearm, U.S. Patent No. 549.345, image 3

Illustration from US Patent 3,487,800, issued to inventors Jim Drake and Hoyle Schweitzer on January 6, 1970

1879 US patent for a fire ladder invented by Joseph Winters

This is one of the patent drawings for the first design of a wobble board known to have been patented. The inventor was Bernard L. Coplin of Carlsbad, New Mexico. The 1957 U.S. patent for this device was appl More

These are two of the patent drawings for the first design of a wobble board known to have been patented. The inventor was Bernard L. Coplin of Carlsbad, New Mexico. The 1957 U.S. patent for this device was ap More

These are two of the drawings for a patent titled "Amusement and Exercising Device." The inventor was William F. Hudson of Philadelphia, Pennsylvania. The 1929 U.S. patent for this device was applied for in 19 More

These are the four patent drawings for a device intended for small children's amusement and exercise. The patent's title is "Combined Rocking and Revolving Chair." The inventors were Chester E. Baum & Robert A More

These are two of the three patent drawings for a device made by the U.S. government's National Aeronautics and Space Administration to train its astronauts for spacewalks. The inventor was Harold I. Johnson o More

This is one of the three patent drawings for a device made by the U.S. government's National Aeronautics and Space Administration to train its astronauts for spacewalks. The inventor was Harold I. Johnson of More

Drawing from the specification of Émile Lossé's U.S. patent for Aerial Machines Deutsch: Zeichnung aus der Patentschrift für Émile Lossés US-Patent auf Flugmaschinen

Wrench, USPTO Patent Number: US001413121

Exposure Density Curve for High Dynamic Range Film

Power transmission mechanisms for X-Y Stage (10), having a Stepper motors (150,205),Pulleys (160,215), Wrapping transmission (220), Spline shafts (20,25) .

detail from 'Whirligig'; U.S. patent #59745, 1866 (first U.S. yo-yo patent)

Čeština: Zapojení analogové ESU Public domain photograph of electrical control panel, processor, free to use, no copyright restrictions image - Picryl description

Impedance matching circuit showing m-derived topology.

Vladimir K. Zworykin's patent 1923

First diagram of an iconoscope television camera tube, one of the earliest practical video camera tubes, invented by Vladimir Zworykin, from his 1931 US patent. Zworykin patented the tube for use as an ultrav More

US patent drawing of the Sinclair ZX80.

US patent drawing of the Sinclair ZX81.

עברית: פטנט גלאי מערכת יעל 15 בארהב

Automatic braking apparatus for aircraft English: Automatic Braking Apparatus for Aircraft Figure 1 -is a side elevation, partly in section, of an automatic brake apparatus constructed in accordance with the More