Snap-action switch for vibrating a resonant reed
United States Patent 3366766
US Patent References:
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Inventors:
Umpleby, Kenneth F.
Publication Date:
01/30/1968
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Assignee:
BERRY INDSUTRIES INC
Primary Class:
200/181
Other Classes:
200/61.010
International Classes:
G08C19/12; H01H5/02; H01H51/32; H01H5/00; H01H51/00
US Patent References:
3283226Resonant reed assembly