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US Patent: 68,431
Improved Pipe-Wrench
Patentee:
James N. Freestone (exact or similar names) - Williamsburg, NY

USPTO Classifications:
81/106, 81/DIG6

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Samuel Mullepher
John Rogers

Patent Dates:
Granted: Sep. 03, 1867

Patent Pictures:
James N. Freestone Pat. Sept. 3, 1867
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Description:
The sliding jaw has an interior tooth engaging a rack on the handle. It also serves as the base for a hook jaw which is held in the working position by a spring.

This patent is noted in Lawrence Glynn's July 20, 1875 pipe wrench patent (no 165,725).

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