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US Patent: 902,830
Wrench
Patentee:
Axel Wilhelm Peterson - San Francisco, CA

USPTO Classifications:
81/154, 81/184

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches
wrenches : wrench components : pipe jaw attachments for wrenches

Assignees:
Axel Wilhelm Peterson - San Francisco, CA
Herman Peterson - Fresno County, CA
Oscar Bjorklund - San Francisco, CA

Manufacturer:
Peterson Rapid Wrench Co. - San Francisco, CA

Witnesses:
Frances M. Wright
D. B. Richards
Geoffrey Holt
Nellie B. Keating

Patent Dates:
Applied: Mar. 26, 1908
Granted: Nov. 03, 1908

Patent Pictures:
Axel W. Peterson Patent November 3, 1908
USPTO pdf tiff
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Description:
The patent describes a quick-adjustment mechanism based on wedge action. It also incorporates a pipe-jaw attachment. The wrench citing this patent has a wedge-adjustment mechanism more closely resembling Peterson's December 16, 1913 patent (no. 1,081,626). A photo of one of the wrenches is shown in the entry for that patent.

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