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US Patent: 342,078
Pipe and Nut Wrench
Patentee:
Curtis C. Edgerly (exact or similar names) - Boston, MA

USPTO Classifications:
81/140, 81/97

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
Henry N. Stone - Boston, MA
Curtis C. Edgerly - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Charles A. Drake
Henry Chadbourn
Alban Andren

Patent Dates:
Applied: Aug. 13, 1885
Granted: May 18, 1886

Patent Pictures:
Curtis C. Edgerly patent May 18, 1886
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Description:
The opposite facing teeth on the jaws will grip pipe. The gripping portion of the movable jaw is hinged to the base with the adjusting lever. The spring-loaded lever catch at the base of the movable jaw holds the adjustment.

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