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US Patent: 509,252
Amos Shepard - Plantsville, CT

USPTO Classifications:
81/167, 81/180.1, 81/DIG.5

Tool Categories:
wrenches : wrench components : wrench handle components
wrenches : bicycle or pocket wrenches


Peck, Stow & Wilcox Co. - Southington, CT

Stephen Walkley
C. L. Campbell

Patent Dates:
Applied: Aug. 07, 1893
Granted: Nov. 21, 1893

Patent Pictures: [ 1 | 2 ]
Amos Shepard Pat. November 21, 1893
USPTO pdf tiff
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The patent is for the manufacturing process. It describes steel casting and a broaching operation to form the rectangular opening down the length of the handle. The scale on the handle showing the size of the jaw opening is included in the patented features.

The wrench corresponds to the Peck, Stow & Wilcox bicyle wrench announced in the April 10, 1893 "Iron Age."

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