ELECTRICAL PLUG BLADE SAFETY COVER
United States Patent 3539968
US Patent References:
Shield for prongs of electric plugs
- - 2545762

Electrical plug locking device
- - 3345600

SAFETY PLUG BLOCK
- - 3422389


Inventors:
Tunstall, Wilfred
Wegner, Albert
Publication Date:
11/10/1970
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Assignee:
Tunstall, Wilfred
Wegner, Albert
Primary Class:
439/134
International Classes:
H01R13/639; H01R13/60; H01R13/00; H01R13/44




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