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US Patent: 957,214
Adjustable Wrench
Patentee:
Charles P. Johnson (exact or similar names) - Eureka, KS

USPTO Classifications:
81/175

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Minnie E. Stillwell
Walter Johnson

Patent Dates:
Applied: Dec. 14, 1909
Granted: May 10, 1910

Patent Pictures:
Charles P. Johnson Pat. May 10, 1910
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Description:
A thumb screw at the end moves the adjustable jaw. A retaining bearing holds the thumb screw in its frame. The wrench is intended to be used on buggy or wagon axle nuts. Ken Cope's "American Wrench Makers 1830-1930" suggests Johnson produced this wrench.

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