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16 Funny, Strange, and Cool Patents From the 1870s to the 1950s
dimanche 2 juin 2019, 00:33 , par Geek
The inventors of America have some truly strange, offbeat ideas — a look at the archives of the U.S. Patent and Trademark Office will reveal just that. But we’ve got to admit, some […]
The post 16 Funny, Strange, and Cool Patents From the 1870s to the 1950s appeared first on Geek.com.
https://www.geek.com/science/16-funny-strange-and-cool-patents-from-the-1870s-to-the-1950s-1789872/?...
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56 sources (32 en français)
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lun. 12 mai - 03:46 CEST
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