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CA Patent: CA-13,865
Improvements on Wrenches
Thompson's Adjustable Wrench
Patentee:
Henry A. Thompson - Farmington, ME

USPTO Classifications:

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

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Unknown

Patent Dates:
Granted: Dec. 20, 1881

Patent Pictures:
Henry A. Thompson patent Dec. 20, 1881
CIPO Data
Report data errors or omissions
13,865 in Canadian Patents Database
Description:
Screw adjustable wrench corresponding substantially with U.S. patent 286,653. The drawings in that patent show double jaws, whereas the jaws in this patent are single.

Wrenches matching this appearance are marked PAT NOV 2 '80 reflecting Thompson's prior patent no. 234,091.

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