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US Patent: 433,786
Wrench
Patentee:
George W. Hooks (exact or similar names) - Hooks' Switch, TX

USPTO Classifications:
81/166, 81/317, 81/384, 81/403

Tool Categories:
wrenches : pipe and nut combination wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Fred G. Dieterich
M. D. Blondel
T. C. Riggs
S. H. Anderson
Patent Dates:
Applied: Apr. 09, 1890
Granted: Aug. 05, 1890

Patent Pictures:
George W. Hooks patent August 5, 1890
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Description:
Screw-adjusting for size, with a lever to rock the lower jaw to provide clamping action to grip pipe.

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