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US Patent: D29,338
Design For A Wrench-Jaw
Patentee:
Robert Hough - Erie, PA

USPTO Classifications:
D8/22

Tool Categories:
wrenches : wrench components : wrench jaw components

Assignees:
Hollands Manufacturing Company - Erie, PA

Manufacturer:
Not known to have been produced

Witnesses:
Fred Einfeldt
H. J. Curtze
A. L. Jackson

Patent Dates:
Applied: Jul. 15, 1898
Granted: Sep. 13, 1898

Patent Pictures:
Robert Hough patent September 13, 1898
USPTO pdf tiff
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Description:
This pipe wrench jaw has a shank with a webbed center, and unequal width ribs at the top and bottom which have arc segments of the adjusting threads.

The design is not known to have been used.

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