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US Patent: 544,739
Wrench
Patentee:
Henry J. Martin (exact or similar names) - Chicago, IL

USPTO Classifications:
81/140

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

Assignees:
Whitman & Barnes Manufacturing Co. - Akron, OH

Manufacturer:
Not known to have been produced

Witnesses:
Charles L. Hine
Wm. J. Fleming
Albert H. Bates
Patent Dates:
Applied: May 07, 1895
Granted: Aug. 20, 1895

Patent Pictures:
Henry J. Martin patent August 20, 1895
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Description:
Quick adjust nut wrench with a spring-loaded toothed lever mounted in the movable jaw that engages rack teeth on the sid of the main shank.

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