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Patent number:
Patent Date:
US Patent: 615,926
Pipe Wrench
Patentee:
William Tyack (
exact
or
similar
names) - Chicago, IL
USPTO Classifications:
81/90.2
,
81/90.3
Tool Categories:
wrenches
:
pipe wrenches
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Alberta Adamick
Fred Gerlact
Geo. P. Fisher, Jr.
Patent Dates:
Applied:
Aug. 15, 1898
Granted:
Dec. 13, 1898
Patent Pictures:
William Tyack patent December 13, 1898
USPTO
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Description:
The wrench features a pivoted "V" inner jaw and a swinging hook jaw.
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