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US Patent: 1,309,860
Wrench
Patentee:
Franklin M. Kleine (exact or similar names) - Minneapolis, MN

USPTO Classifications:
81/165

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Elva M. Dalton
H. A. Gerrish
Patent Dates:
Applied: Oct. 28, 1918
Granted: Jul. 15, 1919

Patent Pictures:
Franklin M. Kleine patent July 15, 1919
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Description:
Teeth on the movable jaw engage a cone gear which is turned by a roughened cylinder in the handle.

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