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US Patent: 359,722
Wrench
Improvement In Pipe-Wrenches
Patentee:
James F. Guthrie, Jr. - Somerville, MA

USPTO Classifications:
81/102

Tool Categories:
wrenches : pipe wrenches

Assignees:
James F. Guthrie, Jr. - Somerville, MA
Thomas C. Ashley - Boston, MA

Manufacturer:
Newton Machine Company - Newton, MA

Witnesses:
John R. Snow
Lauritz W. Moeller
J. E. Maynadier

Patent Dates:
Applied: Jan. 09, 1886
Granted: Mar. 22, 1887

Patent Pictures:
James F. Guthrie, Jr. patent March 22, 1887
USPTO pdf tiff
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Description:
The adjusting nut sets in a rotating block. Marketed as Ashley's Patent. The specifications note and disclaim any features covered by patent nos. 65,111, 133,804 166,428, and 182,492.

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