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US Patent: 84,111
Wrench
Patentee:
A. C. Greth - 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
USPTO pdf tiff
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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.

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