Category:1880 patents

Media in category "1880 patents"

The following 6 files are in this category, out of 6 total.

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  C.F.Schmidt Patent1.jpg 1,551 × 1,211; 308 KB
  
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  C.F.Schmidt Patent2.jpg 3,496 × 2,592; 598 KB
  
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  Drawing of the Incandescent Light Bulb by Thomas Edison, 01-27-1880 (Page 1 of 2) (5286032634).jpg 2,582 × 4,200; 4.81 MB
  
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  Drawing of the Incandescent Light Bulb by Thomas Edison, 01-27-1880 (Page 2 of 2) (5286032832).jpg 2,463 × 3,540; 3.52 MB
  
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  Steinway Rim Patent.jpg 1,844 × 3,037; 1.05 MB
  
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  US Patent Drawings - unknown, Fender Broadcaster (1951), Tupperware (1954), Yo-yo (1866), Lego brick (1961), Edison light bulb (1880), Eli Whitney's cotton gin (1794), iPod (2008) - National Museum of American History (2015-10-13 by Kazuhisa OTSUBO).jpg 1,080 × 722; 59 KB