Title:
Electric coupling
Document Type and Number:
United States Patent 2520739


Inventors:
Shaw, Harvey L.
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Sponsored by:
Flash of Genius
Publication Date:
08/29/1950
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Assignee:
Shaw, Harvey L.
Primary Class:
Other Classes:
403/329, 439/668
International Classes:
H01R13/20; H01R13/02
US Patent References:
0837184
0994517
1225391
1550306Attachment plug
1648518
2104945Electric plug lock