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US Patent: 289,188
Pipe Wrench
Patentee:
Conrad D. Volkmann (exact or similar names) - Nappanee, IN

USPTO Classifications:
81/106, 81/98

Tool Categories:
wrenches : pipe wrenches

Assignees:
William D. Peddycord - Nappanee, IN
Conrad D. Volkmann - Nappanee, IN

Manufacturer:
Unknown

Witnesses:
H. B. Brown
W. X. Stevens
M. H. Summy
Levi R. Stookey
Patent Dates:
Applied: Oct. 20, 1883
Granted: Nov. 27, 1883

Patent Pictures:
Conrad D. Volkmann patent November 27, 1883
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Description:
The hook jaws can be used independently, allowing the wrench to work close to fittings, walls, etc.

This patent date along with May 27, 1884 (patent no. 299,440) appear on an otherwise unmarked example.

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