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US Patent: RE8,961
Pipe-Wrench
Patentee:
Henry Rhyn - Omaha, NE

USPTO Classifications:
81/99

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William Paxton
Courtney A. Cooper
H. Lauer
Henry Heins

Patent Dates:
Applied: Oct. 15, 1879
Granted: Nov. 11, 1879

Reissue Information:
Reissue of 218,195 (Aug. 05, 1879)

Patent Pictures:
Henry Rhyn reissue patent November 11, 1879
USPTO pdf tiff
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Description:
The wrench features a screw-adjustable jaw, and a slight leaf spring to keep the hook jaw engaged with the work piece. This spring enables one-handed operation of the wrench.

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