US Patent: 623,188


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 623,188

Wrench

Patentees:

Joseph W. Skersick - Bertram, IA

Joseph F. Skersick - Bertram, IA

USPTO Classifications:

81/356, 81/362, 81/390

Tool Categories:

wrenches : wrench adjustment types : auxiliary levers on wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Feb. 13, 1899
Granted:	Apr. 18, 1899

Patent Pictures:

Joseph W. Skersick and Joseph F. Skersick patent April 18, 1899

USPTO pdf tiff
Google Patents
Report data errors or omissions

Description:

Screw adjust wrench with an auxiliary lever handle that tightens the grip by wedge action through a short link. The jaws can be smooth for nuts or have gripping teeth for pipe.