Gear operated power wrench
United States Patent 2808749

Inventors:
Lampke, Arthur R.
Publication Date:
10/08/1957
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Assignee:
Andrew, Feyes
Primary Class:
81/57.130
Other Classes:
81/58.100
International Classes:
B25B13/46; B25B21/00; B25B13/00
US Patent References:
2703030Gear operated ratchet wrench
2723580Power driven wrench
Foreign References:
FR601440A