US Patent: 84,111


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US Patent: 84,111

Wrench

Patentee:

A. C. Greth (exact or similar names) - Reading, PA

USPTO Classifications:

81/183

Tool Categories:

wrenches : wrench components : pipe jaw attachments for wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Matthias Mengel

Levi J. Smith

Patent Dates:
Applied:	Aug. 04, 1868
Granted:	Nov. 17, 1868

Patent Pictures:

A. C. Greth Pat. Nov. 17, 1868

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Description:

The patent is a shell or case holding a roller. The roller can move in slots in the case. This appliance turns an adjustable nut wrench into a pipe wrench.