Motor driven tool switch
United States Patent 1929662

Inventors:
Wappat, Fred W.
Publication Date:
10/10/1933
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Export Citation:
Assignee:
WAPPAT INC
Primary Class:
Other Classes:
200/321, 200/43.170, 310/68A, 310/50
International Classes:
H01H9/06; H01H3/20; H01H9/02; H01H3/02