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US Patent: 1,725,301
Wrench
Patentee:
Arthur N. Plante - Hartford, CT

USPTO Classifications:
81/356, 81/363, 81/390

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
None

Manufacturer:
Woodworth Specialties Co. - Binghamton, NY

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 26, 1927
Granted: Aug. 20, 1929

Patent Pictures: [ 1 | 2 ]
Arthur N. Plante Pat. Aug. 20, 1929
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Description:
The gripping action of the jaws is actuated by a lever operated linkage. This patent is for the tubular handle which also encloses the threads of the adjustable fulcrum; although the description covers all features of the design. This patent in combination with Plante's Nov. 12, 1929 patent (no. 1735011) were used for the Woodworth Specialties Co. (Binghamton, NY) VISE GRIP wrench.

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