Magnetic screw driver
United States Patent 2550775
US Patent References:
/0733126.html
- - 0733126

Assembly machine
- - 1887216

Tool for rotating screws and other objects
- - 2010616

Screw driver
- - 2116775

Screw driver
- - 2174327


Inventors:
Clark, Frederick G.
Publication Date:
05/01/1951
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Assignee:
Wade, Stevenson
Primary Class:
81/438
Other Classes:
81/436, 30/74, 30/329, 403/DIG.001, 279/128, 7/901, 73/85
International Classes:
B25B23/12; B25B23/02
US Patent References:
2260055Magnetic tool
Foreign References:
FR486294A
GB188510488A