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US Patent: 440,501
Pipe-Wrench
Patentee:
Andrew Patrick Quigley (exact or similar names) - Jamestown, NY

USPTO Classifications:
81/105

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. L. Ourand
E. Green
F. W. Stevens
Jos. L. Coombs
Patent Dates:
Applied: Aug. 21, 1890
Granted: Nov. 11, 1890

Patent Pictures:
Andrew P. Quigley patent November 11, 1890
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Description:
The wrench is basically a modification of the Stillson pipe wrench, with a spring on the nut-carrying frame that bears against the back of the shank.

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