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US Patent: 217,407
Pipe-Wrench
Patentee:
Henry Rhyn (exact or similar names) - Omaha, NE

USPTO Classifications:
81/106

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William Paxton
Courtney A. Cooper
Aug. Weiss
Henry Lauer

Patent Dates:
Applied: Nov. 30, 1878
Granted: Jul. 08, 1879

Patent Pictures:
Henry Rhyn patent July 8, 1879
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Description:
The swinging hook jaw and its positioning spring are on a screw-adjusted base. The screw bears agains a lug on the handle.

Rhyn obtained another patent (no. 218,195 and RE8,961) for a hook-jaw pipe wrench with an adjustable "lower" jaw.

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