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US Patent: 780,787
Wrench
Patentee:
Robert C. Ellrich - Southington, CT

USPTO Classifications:
81/177.1

Tool Categories:
wrenches : wrench components : wrench handle components

Assignees:
Peck, Stow & Wilcox Co. - Southington, CT

Manufacturer:
Peck, Stow & Wilcox Co. - Southington, CT

Witnesses:
F. G. Campbell
Thomas F. Welch
Fred C. Williams

Patent Dates:
Applied: Jun. 13, 1904
Granted: Jan. 24, 1905

Patent Pictures:
Robert C. Ellrich patent January 24, 1905
USPTO pdf tiff
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Description:
The basic element is the bolster supporting nut attaching the bolster to the shank. Alternate means of finishing the handle are described.

Produced as the P.S.& W. IDEAL monkey wrench.

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