String tensioning device for musical instruments
United States Patent 2416593
US Patent References:
Violin
- - 1713005

Violin-string tightener
- - 1792608


Inventors:
Gustave, Proll
Publication Date:
02/25/1947
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Assignee:
Gustave, Proll
Primary Class:
84/297R
Other Classes:
24/68CT, 84/208, 984/119, 24/133, 254/231
International Classes:
G10D3/14; G10D3/00