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US Patent: 380,072
Pipe Wrench
Patentee:
Archibald R. Wygle - Kingman, KS

USPTO Classifications:
81/90.2

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. S. Elliott
E. W. Johnson
William Selby

Patent Dates:
Applied: Jun. 27, 1887
Granted: Mar. 27, 1888

Patent Pictures:
Archibald R. Wygle patent March 27, 1888
USPTO pdf tiff
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Description:
A lobe on the handle bears against a curved surface on the back of one jaw to close the jaws.

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