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US Patent: 44,653
Improved Wrench
Patentee:
John W. Penney (exact or similar names) - Mechanic Falls, ME

USPTO Classifications:
81/140

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

Assignees:
None

Manufacturer:
Penney & Thurston - Mechanic Falls, ME

Witnesses:
John Dore
Joseph Buckman

Patent Dates:
Granted: Oct. 11, 1864

Patent Pictures: [ 1 | 2 ]
John W. Penney patent Oct. 11, 1894
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Davistown Museum description of stolen Penney & Thurston Wrench.
Penney*s Adjustable Wrench (edited from SCIENTIFIC AMERICAN)
Description:
Sliding jaw adjusted and held in place by combination spring / lever that engages rack teeth on the wrench shank.

A pristine example of this wrench belonging to the Davistown Museum at Liberty, Maine was stolen in Fall, 2003.

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