US Patent: 1,437,458


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Wrench

Patentee:

Frederick E. Walden (exact or similar names) - Worcester, MA

USPTO Classifications:

81/174, 81/92

Tool Categories:

wrenches : ratchet wrenches

Assignees:

Walden-Stax Manufacturing Co. - Stoneham, MA

Manufacturer:

Not known to have been produced

Witnesses:

none listed

Patent Dates:
Applied:	Jul. 28, 1920
Granted:	Dec. 05, 1922

Patent Pictures:

Frederick E. Walden patent Dec. 5, 1922

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Description:

Ratchet wrench formed of bent wire. Drawing show the wrench in operation on square nuts or the shanks of sockets. Patent no. 1,453,898 modifies and extends the idea and incorporates features to facilitate operation on hex nuts and bolt heads.

Application renewed Apr. 28, 1922.