Planetary gear speed wrench
United States Patent 2520443
US Patent References:
/0066229.html
- - 0066229

/0268284.html
- - 0268284

/0484231.html
- - 0484231

Mechanical movement
- - 1417503

Speed wrench
- - 1626719


Inventors:
Seaquist, Albert L.
Publication Date:
08/29/1950
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Assignee:
Seaquist, Albert L.
Primary Class:
475/3
Other Classes:
D08/25, 475/295, 74/142, 475/8, 81/63, 475/270, 81/57.310, 81/58.100
International Classes:
B25B17/00
US Patent References:
1721612Power-driven tool
1762515Speed wrench