Cow bell instrument
United States Patent 3325578

Inventors:
Park, Donald M.
Publication Date:
06/13/1967
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Assignee:
SEEBURG CORP
Primary Class:
84/697
Other Classes:
327/596, 984/309, 331/173, 331/117R, 84/702, 84/699, 327/113, 340/384.300
International Classes:
G10H1/02
Other References:
None