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US Patent: 1,123,462
Wrench
Patentees:
John Anderson - Portland, CT
John Elmer Anderson - Portland, CT

USPTO Classifications:
81/176, 81/77

Tool Categories:
wrenches : pipe and nut combination wrenches

Assignees:
None

Manufacturer:
G. L. Holt Company - Hartford, CT

Witnesses:
Edwin B. Hunt
George F. Cramer
Rosabelle A. Cramer

Patent Dates:
Applied: May 21, 1914
Granted: Jan. 05, 1915

Patent Pictures: [ 1 | 2 ]
John and John E. Anderson patent January 5, 1915
USPTO pdf tiff
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Description:
The design uses stampings. The central adjustable jaw frame has separate faces for pipe and nut jaws. The patented feature is the shape and combination of the parts.

Marketed as the ADJUSTABLE TWIN in 4 inch and 6 inch sizes. A 1915 Sears, Roebuck catalog listing is reprinted in "American Wrench Makers 1830-1930," by Ken Cope.

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