Category:1940 patents

Media in category "1940 patents"

The following 8 files are in this category, out of 8 total.

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  2,208,605 Bowling pin setting apparatus - patent.png 1,140 × 1,000; 499 KB
  
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  US2203569A Musical Instrument (1940-03-08 filed, 1940-06-04 published) by Laurens Hammond - Solovox Fig.15, 16, 17, 18.jpg 1,328 × 2,496; 596 KB
  
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  US2203569A Musical Instrument (1940-03-08 filed, 1940-06-04 published) by Laurens Hammond - Solovox Fig2.jpg 964 × 740; 256 KB
  
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  US2203569A Musical Instrument (1940-03-08 filed, 1940-06-04 published) by Laurens Hammond - Solovox Fig6, 7.jpg 1,200 × 1,300; 472 KB
  
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  US2203569A Musical Instrument (1940-03-08 filed, 1940-06-04 published) by Laurens Hammond - Solovox.pdf 1,158 × 1,702, 11 pages; 1.15 MB
  
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  USD120175S Organ Console (1939-09-08 filed, 1940-04-23 published) by George H.Stephens - Hammond C (clip).jpg 1,346 × 1,346; 816 KB
  
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  USD120175S Organ Console (1939-09-08 filed, 1940-04-23 published) by George H.Stephens - Hammond C.jpg 1,968 × 3,210; 966 KB
  
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  USD120175S Organ Console (1939-09-08 filed, 1940-04-23 published) by George H.Stephens - Hammond C.pdf 1,158 × 1,702, 2 pages; 89 KB