Power wrench
United States Patent 1970179

Inventors:
Miller, Charles A.
Publication Date:
08/14/1934
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Assignee:
Miller, Charles A.
Primary Class:
81/469
Other Classes:
318/443, 318/434, 192/150, 81/57.140, 73/862.230
International Classes:
B25B23/147; B25B23/14