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US Patent: 372,080
Combination Tool
Patentee:
William H. Mitchell - Horse Cave, KY

USPTO Classifications:
30/102, 30/263, 7/139, 7/157, 81/171, 81/182, 81/185.1, 81/363, 81/401

Tool Categories:
wrenches : pipe and nut combination wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. Sedgwick
F. McArdle
Chas. C. Mustain
McC. Mustain

Patent Dates:
Applied: Feb. 12, 1887
Granted: Oct. 25, 1887

Patent Pictures:
William H. Mitchell patent October 25, 1887
USPTO pdf tiff
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Description:
Combines function of nut and pipe wrench and pipe cutter. Interchangeable jaw inserts for the pipe wrench and pipe cutter functions. The base of the adjustable jaw structure has an adjusting screw. The final gripping or cutting pressure is supplied by a compound lever handle.

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