Title:
Screw socket
United States Patent 2474994
Inventors:
Tomalis, Joseph J.
Publication Date:
07/05/1949
Export Citation:
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Assignee:
AMERICAN SCREW COMPANY
Primary Class:
411/404
Other Classes:
81/460, 411/919
International Classes:
B25B15/00; F16B23/00; B25B15/00; F16B23/00
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US Patent References:
2296887Screw
2058197Screw
2046837Means for uniting a screw with a driver