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US Patent: 421,892
Pipe Wrench
Patentees:
Arthur J. Barber (exact or similar names) - Sodus, NY
Henry A. Tripp (exact or similar names) - Sodus, NY

USPTO Classifications:
81/120, 81/180.1, 81/186, 81/95

Tool Categories:
wrenches : pipe wrenches
wrenches : alligator wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Walter Tripp
Andrew G. Curtis
J. J. Seymour
Patent Dates:
Applied: Sep. 16, 1889
Granted: Feb. 25, 1890

Patent Pictures:
Arthur J. Barber and Henry A. Tripp patent February 25, 1890
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Description:
The patent combines a roller support and a curved toothed jaw as modifications to the principle used in alligator wrenches.

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