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US Patent: 638,475
Wrench Atttachment
Patentee:
George W. Rouse - Lowell, MI

USPTO Classifications:
81/184

Tool Categories:
wrenches : wrench components : pipe jaw attachments for wrenches

Assignees:
George W. Rouse - Lowell, MI
Henry G. Weatherill - Elgin, IL

Manufacturer:
Wilcox Mfg. - Aurora, IL
Richards-Wilcox Mfg. Co. - Aurora, IL
Bow Mfg. Co. - Elgin, IL

Witnesses:
Herbert D. Lawson
Lydia Van Deusen
S. P. Hicks

Patent Dates:
Applied: Aug. 08, 1899
Granted: Dec. 05, 1899

Patent Pictures: [ 1 | 2 | 3 | 4 ]
George W. Rouse Patent December 5, 1899
USPTO pdf tiff
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Description:
The pair of toothed jaws and their connecting thumb screws convert a "monkey wrench" into a pipe wrench.

Marketed as the "Yankee Pipe Jaws" by a succession of manufacturers, including WILCOX in 1901, followed by RICHARDS-WILCOX after those companies merged, and BOW MFG. in 1914.

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