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US Patent: 83,654
Wrench
Patentee:
Frank L. Oliver - Scarborough, ME

USPTO Classifications:
81/124.3

Tool Categories:
wrenches : axle nut wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry C. Houston
William Franklin Seavey

Patent Dates:
Granted: Nov. 03, 1868

Patent Pictures:
Frank L. Oliver Pat. Nov. 3, 1868
USPTO pdf tiff
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Description:
The wrench is described as a double-face socket. The socket at right angles to the handle is for the initial loosening and final tightening. The socket in line with the handle is to operated as a "speed wrench."

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