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US Patent: 354,718
Pipe Wrench
Patentees:
Thomas D. McCarty (exact or similar names) - Midway, PA
Frank C. Sawhill (exact or similar names) - Midway, PA

USPTO Classifications:
81/90.9, 81/91.1

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. L. Ourand
Arthur L. Morsell
William J. Bigg
Joseph Morgan

Patent Dates:
Applied: Aug. 25, 1886
Granted: Dec. 21, 1886

Patent Pictures:
Thomas D. McCarty and Frank C. Sawhill patent December 21, 1886
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Description:
The movable jaw has an adjustable bit, and a control rod to pull the jaw back.

The patent is an improvement on McCarty and Sawhill's July 27, 1886 patent (no. 346,299).

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