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US Patent: 1,162,136
Adjustable Wrench
Patentee:
Arthur D. Chapman (exact or similar names) - Celina, Mercer County, OH

USPTO Classifications:
81/356, 81/360, 81/391, 81/427

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 19, 1915
Granted: Nov. 30, 1915

Patent Pictures:
Arthur D. Chapman patent November 30, 1915
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Description:
Gear on lever handle operates sliding jaw. Compare patent no. 1,414,015.

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