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US Patent: 429,676
Pipe Wrench
Patentee:
William Cann - Atkinson, IL

USPTO Classifications:
81/383.5, 81/426

Tool Categories:
wrenches : pipe wrenches : pipe tongs
wrenches : wrench adjustment types : wedge adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. S. Duvall
Harry L. Amer
Jesse Stiner
J. L. Lamont

Patent Dates:
Applied: Feb. 21, 1890
Granted: Jun. 10, 1890

Patent Pictures:
William Cann patent June 10, 1890
USPTO pdf tiff
Google Patents
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Description:
Tongs with a jaw member that closes by wedge action.

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