Interlock system
United States Patent 3246178
US Patent References:
Electrical apparatus
- - 1976609

Circuit controller
- - 2068581

Catenary lighting apparatus
- - 3033978


Inventors:
Comstock Jr., Eldred H.
Gerding, John J.
Publication Date:
04/12/1966
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Assignee:
Comstock Jr., Eldred H.
Gerding, John J.
Primary Class:
307/328
Other Classes:
361/192, 307/142
International Classes:
H01H83/14; H01H83/00