Title:
Automatic rhythm device
United States Patent 3358068
US Patent References:
Alternating presser device for sewing machines
- - 3006299

Rhythm device
- - 3207835


Inventors:
Campbell Jr., Richard H.
Publication Date:
12/12/1967
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Assignee:
SEEBURG CORP
Primary Class:
84/600
Other Classes:
984/351, 84/713, 327/295, 84/667
International Classes:
G10H1/40