Delay action control switch
United States Patent 2450323
US Patent References:
Automatic controller
- - 1603049

Camera
- - 2342509

Camera
- - 2342510


Inventors:
Stuart, Williamson
Publication Date:
09/28/1948
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Assignee:
Stuart, Williamson
Primary Class:
361/202
Other Classes:
335/32, 318/470, 352/175
International Classes:
H01H43/12; H01H43/00