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US Patent: 383,544
Pipe Wrench
Patentee:
James Rose - Franklin, MA

USPTO Classifications:
81/101, 81/102, 81/167

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. F. Piper
W. E. Piper
S. N. Piper
Linus Maurer

Patent Dates:
Applied: Mar. 26, 1888
Granted: May 29, 1888

Patent Pictures:
James Rose patent May 29, 1888
USPTO pdf tiff
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Description:
The screw adjustment fits loosely between two abutments, and is yoked to the adjustable jaw. The adjustable jaw slides through a loop attached to the main shank.

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