Category:1939 inventions

Subcategories

This category has only the following subcategory.

Media in category "1939 inventions"

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

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  US2233258A Electrical Musical Instrument (1939-09-05 filed, 1941-02-25 published) by Laurens Hammond - Solovox.pdf 1,158 × 1,702, 15 pages; 2.22 MB
  
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  US2245338A Musical Instrument (1940-07-30 filed, 1941-06-10 published) by Laurens Hammond - Novachord.pdf 1,158 × 1,702, 5 pages; 550 KB
  
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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