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US Patent: 526,420
Combined Pipe and Nut Wrench
George  Washington Thomas - Yosemite, KY

USPTO Classifications:
269/157, 269/223, 269/236, 269/239, 30/234, 81/111, 81/118, 81/DIG.5

Tool Categories:
wrenches : wrench combination tools
wrenches : wrench adjustment types : auxiliary levers on wrenches
wrenches : pipe and nut combination wrenches


Not known to have been produced

Wm. J. Doyle
J. W. Hoskins
Pleas. Lanham

Patent Dates:
Applied: Mar. 28, 1894
Granted: Sep. 25, 1894

Patent Pictures:
George Washington Thomas patent September 25, 1894
USPTO pdf tiff
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The features of this wrench include the graduated size scale, the clamping cam lever with screwdriver tip, and the link handle on the adjusting screw.

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