US Patent: 564,513


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US Patent: 564,513

Wrench

Patentee:

Samuel M. Friede (exact or similar names) - St. Louis, MO

USPTO Classifications:

81/155, 81/167, 81/186

Tool Categories:

wrenches : wrench adjustment types : screw adjust wrenches

wrenches : pipe and nut combination wrenches

Assignees:

Samuel M. Friede - St. Louis, MO

John W. Donnell - St. Louis, MO

Manufacturer:

Not known to have been produced

Witnesses:

E. S. Knight

N. Finley

Patent Dates:
Applied:	Sep. 19, 1895
Granted:	Jul. 21, 1896

Patent Pictures:

Samuel M. Friede patent July 21, 1896

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Description:

The patented feature is the shape of the threads on the the adjusting nut and shank of the movable jaw. The jaws shaped to fit pipe and hexagon nuts are distinctive but not included in the patent.