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US Patent: 233,893
Pipe and Nut Wrench
Patentee:
Josiah C. Stevens (exact or similar names) - Cambridgeport, MA

USPTO Classifications:
81/101

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry Chadbourn
Alban Andren
F. Allen
Patent Dates:
Applied: Oct. 01, 1880
Granted: Nov. 02, 1880

Patent Pictures:
Josiah C. Stevens patent November 2, 1880
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Description:
The movable jaw slides on a pivot pin, and adjusts by an adjusting nut.

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