Category:1949 inventions
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Media in category "1949 inventions"
The following 6 files are in this category, out of 6 total.
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US2506451A Organ Console (1949-10-28 filed, 1950-05-02 published) by Laurens Hammond - Hammond M.pdf 1,158 × 1,702, 5 pages; 696 KB
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USD158625S Electrical Musical Instrument (1949-04-07 filed, 1950-05-16 published) by George H.Stephens - Hammond M.pdf 1,158 × 1,702, 2 pages; 91 KB