Title:
Interlock system
United States Patent 3327169
Inventors:
Comstock Jr., Eldred H.
Martin, Raymond G.
Publication Date:
06/20/1967
Export Citation:
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Assignee:
Comstock Jr., Eldred H.
Martin, Raymond G.
Primary Class:
361/615
Other Classes:
70/265, 307/328
International Classes:
H01H33/52; H01H33/02
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US Patent References:
3246178Interlock system
3033978Catenary lighting apparatus
2068581Circuit controller
1976609Electrical apparatus