Category:1961 patents

Subcategories

This category has only the following subcategory.

Media in category "1961 patents"

The following 5 files are in this category, out of 5 total.

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  2,973,204 Huck et al Brunswick pinsetter - Summary.png 1,275 × 1,500; 906 KB
  
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  Electric Violin and Electromagnetic Pick by Leo Fender (1957).jpg 1,900 × 1,900; 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
  
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  US3005282A Toy building brick (1958 filed, 1961 published) by Christiansen Godtfred Kirk - Lego brick, p.1, Fig. 1~6.png 2,320 × 3,408; 84 KB
  
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  US3005282A Toy building brick (1958 filed, 1961 published) by Christiansen Godtfred Kirk - Lego brick, p.2, Fig. 7~12.png 2,320 × 3,408; 56 KB