US Patent: 751,914


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US Patent: 751,914

Wrench

Patentee:

John H. Hobson (exact or similar names) - Mattoon, IL

USPTO Classifications:

81/167, 81/178

Tool Categories:

wrenches : pipe and nut combination wrenches

wrenches : wrench adjustment types : screw adjust wrenches

Assignees:

None

Manufacturer:

Hobson Wrench Co. - Indianapolis, IN

Witnesses:

Patent Dates:
Applied:	Oct. 31, 1903
Granted:	Feb. 09, 1904

Patent Pictures: [ 1 | 2 ]

John H. Hobson patent February 9, 1904

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Description:

The wrench is made of three pieces. The adjustable jaw can be shifted to work against either side of the fixed jaw structure. The wrench has both smooth jaw surfaces for nuts and toothed surfaces for pipe.

Hobson's related patents are 693,861, 721,444, and 807,618. The latter is a "quick adjust" version.