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US Patent: 575,564
Combined Pipe and Nut Wrench
Patentee:
Charles F. Driver (exact or similar names) - Valdosta, GA

USPTO Classifications:
81/95

Tool Categories:
wrenches : wrench components : wrench jaw components
wrenches : pipe and nut combination wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. J. Koerth
H. F. Riley
H. C. Briggs
Arthur S. Harris

Patent Dates:
Applied: Nov. 30, 1895
Granted: Jan. 19, 1897

Patent Pictures:
Charles F. Driver patent January 19, 1897
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Description:
The unique feature is the gripping roller in the pipe gripping portion of the movable jaw. It has several holes for the pivot pin to adjust in compensation for different pipe sizes.

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