Chord-forming attachment for stringed musical instrument
United States Patent 3129626
US Patent References:
/0545963.html
- - 0545963

/0928866.html
- - 0928866


Inventors:
Granius, Emil J.
Publication Date:
04/21/1964
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Assignee:
Granius, Emil J.
Primary Class:
Other Classes:
984/116
International Classes:
G10D3/08; G10D3/00
Foreign References:
DE630365C