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US Patent: 489,454
Wrench
Patentee:
George W. Bufford - Ithaca, NY

USPTO Classifications:
81/175

Tool Categories:
wrenches : wrench components : wrench jaw components
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
D. H. Hayward
C. L. Sundgren
G. H. Slocum
H. P. Johnson

Patent Dates:
Applied: Apr. 21, 1892
Granted: Jan. 10, 1893

Patent Pictures:
George W. Bufford patent January 10, 1893
USPTO pdf tiff
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Description:
The movable jaw has an adjusting screw and facing abutments; the movable jaw may be made with two faces, and the handle may be made in halves with screws to allow the movable jaw to be reversed.

The the drawings and specifications describe a pipe wrench. Corresponding British patent GB-189300557 was registered Jan. 10, 1893.

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