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US Patent: 516,191
Combination Wrench
Patentee:
Edward O. Ely - Boston, MA

USPTO Classifications:
81/93

Tool Categories:
wrenches : pipe and nut combination wrenches

Assignees:
None

Manufacturer:
Trimont Manufacturing Company - Roxbury, MA

Witnesses:
Edward F. Allen
Louis N. Gowell
John C. Edwards
Geo. W. Gregory

Patent Dates:
Applied: Mar. 27, 1893
Granted: Mar. 13, 1894

Patent Pictures:
Edward O. Ely patent March 13, 1894, plus 1895 TRIMO COMBINATION WRENCH ad listing
USPTO pdf tiff
Google Patents
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TRIMO Combination Wrench, edited from IRON AGE
Description:
The set screw in the side of the movable jaw is to hold the jaw steady when used for the nut wrench function. It is backed off to allow for lateral movement when the wrench is used as a pipe wrench.

Produced in 10 inch, 12 inch and 15 inch sizes.

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