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US Patent: 545,323
Pipe Wrench
Patentee:
John E. Wakefield (exact or similar names) - Worcester, MA

USPTO Classifications:
81/184, 81/356

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. M. Fowler
Chas. F. Schmelz
Rufus B. Fowler

Patent Dates:
Applied: Apr. 01, 1889
Granted: Aug. 27, 1895

Patent Pictures:
John E. Wakefield patent August 27, 1895
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Description:
Compound lever linkage closes the jaws, and also includes a gripping pad which engages rack teeth on the main shank to adjust the size of the jaw opening.

Compare this wrench to Wakefield's June 30, 1891 patent (no. 454,893).

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