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US Patent: 508,302
Pipe Wrench
Patentees:
Richard S. Gillespie - New York, NY
Harry James - New York, NY

USPTO Classifications:
81/105

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. W. Rea
Robert Everett
Ransom E. Wilcox
Warren A. Leonard

Patent Dates:
Applied: Mar. 28, 1893
Granted: Nov. 07, 1893

Patent Pictures:
Richard S. Gillespie and Harry James patent November 7, 1893
USPTO pdf tiff
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Description:
Adjustable wrench of the Stillson type, with a double pivot link between the main shank and the frame that holds the movable jaw and adjusting nut.

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