Category:1934 patents

Media in category "1934 patents"

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

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  Brevet d'Invention No. 773.415.pdf 1,237 × 1,650, 4 pages; 229 KB
  
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  JP patent 108664, Electric Musical Instrument. by Sei-ichi Yamashita, assigned to Yamaha (1934-03-15 filed, 1934-08-01 published, 1934-11-28 granted) - Magna Organ patent 1-1.pdf 1,239 × 1,754, 9 pages; 513 KB
  
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  Krupp-renn Johannsen patent US1964917.png 1,153 × 454; 135 KB
  
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  Norman Bel Geddes 1933 patent for a liner USD91579.pdf 1,158 × 1,702, 2 pages; 76 KB
  
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  US 2042976 A.png 2,320 × 3,408; 55 KB
  
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  US1956350A Electrical Musical Instrument (1934-01-19 filed, 1934-04-24 published) by Laurens Hammond - Hammond Organ.pdf 1,158 × 1,702, 37 pages; 3.71 MB