Title:
Watch stem
United States Patent 3389550
Inventors:
Ervin, Piquerez
Publication Date:
06/25/1968
Export Citation:
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Primary Class:
368/308
Other Classes:
968/211, 968/339
International Classes:
G04B19/28; G04B37/10; G04B19/00; G04B37/00
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US Patent References:
3319415Chronometer mechanism