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US Patent: 376,891
Wrench
Patentee:
Bradford F. Lancaster (exact or similar names) - Augusta, ME

USPTO Classifications:
81/164

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

Assignees:
None

Manufacturer:
American Wrench Co. - Augusta, ME

Witnesses:
C. B. Currie
C. M. Gerard
S. W. Bates
E. W. Roberts

Patent Dates:
Applied: Sep. 22, 1885
Granted: Jan. 24, 1888

Patent Pictures:
Bradford F. Lancaster patent January 24, 1888
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Description:
The movable jaw slides in a frame, and is adjusted by a screw shank that terminates in a wooden handle. The patent is for the sliding jaw which is assembled from two parts that "rivet" together.

The AMERICAN WRENCH incorporates aspects of this patent and Lancaster's Sept. 8, 1885 patent (no. 325,942).

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