Title:
Compound curved spring motor
Document Type and Number:
United States Patent 3363891
Inventors:
Foster, Edwin E.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
01/16/1968
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Referenced by:
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Primary Class:
Other Classes:
29/896.900, 185/37, 185/45
International Classes:
F03G1/00