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US Patent: 573,313
Wrench
Patentee:
John F. Tiner - Sutherland Springs, TX

USPTO Classifications:
81/186, 81/417, 81/426, 81/426.5

Tool Categories:
wrenches : pliers type wrenches

Assignees:
John F. Tiner - Sutherland Springs, TX
Ella J. Newton - Austin, TX

Manufacturer:
Wm. Hjorth - Jamestown, NY
America Co. - Jamestown, NY

Witnesses:
C. B. Brown
Gratz Brown
G. M. Anderson
George H. Parmelee
Patent Dates:
Applied: Apr. 14, 1896
Granted: Dec. 15, 1896

Patent Pictures:
John F. Tiner Pat. Dec. 15.1896
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Description:
The main focus of the patent is the shape of the jaws to hold the opposing corners of a range of sizes of square nuts.

Some Wm. Hjorth plier wrenches marked with this patent date may be anticipating A. W. Hjorth's Sept. 8, 1903 patent (no. 738,444).

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