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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:
M. H. Burton
J. F. Groat
Charlie Skersick
J. M. St. John

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
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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.

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