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US Patent: 338,731
Pipe Wrench
Patentee:
George M. Gillett (exact or similar names) - Larned, KS

USPTO Classifications:
81/99

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. A. Bower
Wm. Scott
M. D. Murphy
Morton Toulmin
Patent Dates:
Applied: Jan. 14, 1886
Granted: Mar. 30, 1886

Patent Pictures:
George M. Gillett patent March 30, 1886
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Description:
A double swinging hook jaw is closed by a wire spring.

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