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US Patent: 65,588
Pipe Wrench
Improved Self-Adjusting Wrench
Patentee:
A. M. Olds - New York, NY

USPTO Classifications:
81/186, 81/98

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chas. Morrill
Edw'd Payson

Patent Dates:
Granted: Jun. 11, 1867
Antedated: May 27, 1867

Patent Pictures:
A. M. Olds Pat. May 27, 1867
USPTO pdf tiff
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Description:
The proportion of the components is the key to this design's function.

Olds also received a patent for a pliers with a unique adjusting means (no. 65589) on the same date.

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