Category:1964 patents

Subcategories

This category has only the following subcategory.

Media in category "1964 patents"

The following 2 files are in this category, out of 2 total.

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  US3124991A Vibrato tuning device for stringed musical instruments. by Donald W. Costen. assigned to Gibson, Inc. (filed 1961-10-02, published 1964-03-17) drawing page1, Fig.1~4.png 2,320 × 3,408; 81 KB
  
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  US3124991A Vibrato tuning device for stringed musical instruments. by Donald W. Costen. assigned to Gibson, Inc. (filed 1961-10-02, published 1964-03-17).pdf 1,158 × 1,702, 4 pages; 458 KB