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US Patent: 544,738
Wrench
Patentee:
Henry J. Martin (exact or similar names) - Chicago, IL

USPTO Classifications:
81/125.1

Tool Categories:
wrenches : wrench combination tools
wrenches : wrench components
wrenches : wrench components : wrench jaw components

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

Manufacturer:
Not known to have been produced

Witnesses:
Charles L. Hine
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:
Revolving end pieces which may hold multiple wrench sizes or wrench and screwdriver. The size selected is held by a slider within the handle.

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