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US Patent: 481,389
Wrench
Patentee:
Edward A. Cochran - Oak Park, IL

USPTO Classifications:
81/147, 81/177.1

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

Assignees:
None

Manufacturer:
Tower and Lyon - New York, NY

Witnesses:
J. Staib
Chas. N. Smith
William G. Mott
Geo T. Pinckney

Patent Dates:
Applied: Nov. 03, 1891
Granted: Aug. 23, 1892

Patent Pictures: [ 1 | 2 | 3 ]
Edward A. Cochran patent August 23, 1892
USPTO pdf tiff
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Description:
Quick adjusting nut wrench, described as an improvement on the wrench function in combination tool patent no. 461,402.

An 8 inch wood handle example is known. A 5 inch version was produced as the T&L EXPERT bicycle wrench.

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