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US Patent: 473,542
Pipe Wrench
Patentee:
Milford J. Wilson (exact or similar names) - Painesville, OH

USPTO Classifications:
81/107

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry Ford
W. A. Biddle
A. A. Lee
A. L. Williams
Patent Dates:
Applied: Nov. 16, 1891
Granted: Apr. 26, 1892

Patent Pictures:
Milford J. Wilson patent April 26, 1892
USPTO (New site tip)
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Description:
The movable jaw structure includes a base with a spring-loaded hook jaw. The adjusting nut travels on the threaded shank.

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