Screw socket
United States Patent 2474994
US Patent References:
Means for uniting a screw with a driver
- - 2046837

Screw
- - 2058197

Screw
- - 2296887


Inventors:
Tomalis, Joseph J.
Publication Date:
07/05/1949
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Assignee:
AMERICAN SCREW COMPANY
Primary Class:
411/404
Other Classes:
81/460, 411/919
International Classes:
B25B15/00; F16B23/00