Title:
Keyboard assembly for a musical instrument
United States Patent 3263550


Inventors:
Proll, Peter S.
Application Number:
US38179264A
Publication Date:
08/02/1966
Filing Date:
07/10/1964
Assignee:
Proll, Peter S.
Primary Class:
Other Classes:
984/12, D17/1
International Classes:
G10B3/10; G10D11/02
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Other References:
None