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Patent number:
Patent Date:
US Patent: 983,271
Pipe Wrench
Patentee:
Ernst Enderes (
exact
or
similar
names) - Littleport, Clayton County, IA
USPTO Classifications:
81/100
Tool Categories:
wrenches
:
pipe wrenches
wrenches
:
wrench adjustment types
:
quick adjust wrenches
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
J. W. Forward
Chas. Blanchard
Perry B. Turpin
F. C. Barry
Patent Dates:
Applied:
Jul. 21, 1909
Granted:
Feb. 07, 1911
Patent Pictures:
Ernst Enderes patent July 7, 1911
USPTO
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Report data errors or omissions to steward Stan Schulz
Description:
A spring-loaded pin in the frame pushes the movable jaw toward the "end" of the shank; a spring-loaded pawl in a frame sets the opening size for the movable jaw.
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