US Patent: 764,353


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US Patent: 764,353

Wrench

Patentee:

William Cronk (exact or similar names) - Montour Falls, NY

USPTO Classifications:

81/116

Tool Categories:

wrenches : wrench adjustment types : quick adjust wrenches

wrenches : alligator wrenches

Assignees:

None

Manufacturer:

Cronk Hanger Co. - Montour Falls, NY

Cronk and Carrier - Elmira, NY

Witnesses:

Patent Dates:
Applied:	Oct. 26, 1903
Granted:	Jul. 05, 1904

Patent Pictures: [ 1 | 2 ]

William Cronk patent July 5, 1904

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Biography of William Cronk
Cronk Hanger Co.
CRONK ADJUSTABLE ALLIGATOR (FLICKR)

Description:

Adjustable jaw alligator wrench; the adjustment is a sliding wedge which pivots the movable jaw.

Along with the manufacture of hand tools, William Cronk made a line of hardware and household items that included barn door hangers. He was superintendent of the Cronk Hanger Co. Havana, NY later changed its name to Montour Falls, NY. It is located just south of Watkins Glenn, NY.