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US Patent: 422,662
Wrench
Patentee:
Joseph Tomlinson, Sr. (exact or similar names) - Folsom, CA

USPTO Classifications:
81/116, 81/177.1

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Fred. G. Dieterich
Jos. A. Ryan
W. P. Burnham
F. P. Burnham

Patent Dates:
Applied: Aug. 02, 1889
Granted: Mar. 04, 1890

Patent Pictures:
Joseph Tomlinson, Sr. patent March 4, 1890
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Description:
Improvement in Tomlinson's March 5, 1889 patent (no. 398,989). The jaws self-adjust to remain parallel.

The handle pivots on the end of the shank, and has enough opening to allow a brace to grip the shank.

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