patent artworks

Patent Drawings of the Past-1

These brilliant artworks were once patent drawings of equally-fascinating inventions

Integral to any patent application is an illustration that serves as a visual representation of the invention and its inner workings. Established in 1790, the United States Patent and Trademark Office requires all such applications to be accompanied by patent drawings. Between 1790 and 1880, innovators in the US actually had to submit miniature models…


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