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US Patent: D29,767
Wrench Handle
Alexander Vaughan - Chicago, IL

USPTO Classifications:
81/98, D8/21, D8/22

Tool Categories:
wrenches : wrench components : wrench handle components
wrenches : pipe wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Vaughan & Bushnell Mfg. Co. - Chicago, IL

Vaughan & Bushnell Mfg. Co. - Chicago, IL

Ephraim Banning
Sanford S. Vaughan

Patent Dates:
Applied: Sep. 08, 1898
Granted: Dec. 06, 1898

Patent Pictures: [ 1 | 2 | 3 ]
Alexander Vaughan Pat. Dec. 6, 1898
USPTO pdf tiff
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The design focuses on the curved jaw face and slot for the base of the curved "hook" jaw. This patent was used by Vaughan and Bushnell for their self-adjusting pipe and nut wrench. Since the markings were very small and were normally defaced during use, another distinguishing characteristic is the "angle" shape of the fixed jaw at the juncture with the handle.

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