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Direct Lift Aircraft patent by Sikorsky. Helicopter ancestor
Direct Lift Aircraft, U.S. Patent No. 1,994,488 (granted 1935) presents a pioneering rotary-wing aircraft design that laid the groundwork for the modern helicopter. Rendered as detailed black-and-white technical drawings, the patent illustrates a single main lifting...Regular price From $23.42 -
Vintage bicycle patent by Richard J Gatling 1894
Bicycle, patented May 8, 1894, by R. J. Gatling is a detailed mechanical patent drawing illustrating an unconventional bicycle design aimed at improving propulsion efficiency. Executed in fine black-and-white technical linework, the patent focuses on a...Regular price From $23.42 -
Steam engine patent 1904 by D. E Johnson.
Steam Engine — US Patent No. 774,433. This artwork is an original U.S. Patent Office illustration depicting a steam engine, shown through sectional and elevation views that reveal its internal mechanical organization. Executed in finely controlled...Regular price From $23.42 -
Vehicle whell patent illustration. Vintage drawing .
Vehicle Wheel, U.S. Patent No. 556,125 (granted 1896) presents a mechanically refined wheel design intended to improve strength, durability, and load distribution for wheeled vehicles. The patent drawings are rendered in crisp black-and-white technical linework, focusing...Regular price From $23.42 -
Vintage revolver patent by C P O'Neill.
Revolver — US Patent No. 685,292, patented October 29, 1901. This artwork is the official U.S. Patent Office illustration for a revolver, presented through detailed line engravings that include side and sectional views of the firearm....Regular price From $23.42 -
Steering Gear for vehicles patent illustration.
Steering Gear for Vehicles — US Patent No. 788,053. This artwork is the original U.S. Patent Office illustration depicting a steering-gear mechanism for vehicles, rendered in precise black-ink line engraving. The drawing presents elevation and sectional...Regular price From $23.42
Patent illustrations are technical drawings created to visually explain the design, structure, or operation of an invention in a patent application. They are typically produced in black and white with clean lines, labels, and precise details to meet official patent office standards. These illustrations help examiners understand how an invention works and what makes it unique. Patent drawings became especially important during the Industrial Revolution as inventors sought legal protection for new technologies and mechanical devices. Today, vintage patent illustrations are also popular as decorative art prints because of their elegant and highly detailed appearance.
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