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US Patent: 494,310
Combined Pipe Wrench, Monkey Wrench and Flange Holder
Patentee:
John Wenning - Milwaukee, WI

USPTO Classifications:
81/106, 81/134, 81/170, 81/90.9

Tool Categories:
wrenches : pipe and nut combination wrenches
wrenches : flange wrenches

Assignees:
John Wenning - Milwaukee, WI
Anthony V. Klefish - Milwaukee, WI

Manufacturer:
Not known to have been produced

Witnesses:
C. H. Keeney
Anna V. Faust
Arthur L. Morsell
Charles Werner

Patent Dates:
Applied: May 23, 1892
Granted: Mar. 28, 1893

Patent Pictures:
John Wenning patent March 28, 1893
USPTO pdf tiff
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Description:
The movable jaw of the nut wrench adjusts by a screw rod extending through the end of the handle. The outer surface of the movable jaw also serves as the adjustable jaw of the pipe wrench. The frame holding the hook jaw of the pipe wrench can be removed from the main shank of the wrench. Pins extending from the side of the movable jaw and pipe wrench frame are intended to serve as pin spanners to hold flanges with bolt holes.

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