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US Patent: 492,199
Pipe Tongs and Wrench
Patentee:
Henry Hammond (exact or similar names) - Ballston Spa, NY

USPTO Classifications:
81/102, 81/177.1, 81/404, 81/93

Tool Categories:
wrenches : pipe wrenches : pipe tongs
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. Staib
Chas. H. Smith
Geo. T. Pinckney
Harold Serrell

Patent Dates:
Applied: Aug. 29, 1892
Granted: Feb. 21, 1893

Patent Pictures:
Henry Hammond patent February 21, 1893
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Description:
A couple of alternate forms are described in the specifications and shown in the drawings. What they have in common is a threaded main shank and fixed jaw formed of a forging, with a secondary jaw formed of a flat piece bent into shape, and the position of that jaw determined by an adjusting nut that works on the threaded main shank.

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