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US Patent: 246,976
Pipe Wrench
John F. Phillips - Georgetown, CO

USPTO Classifications:
81/100, 81/186

Tool Categories:
wrenches : pipe wrenches


E. D. Eames - Watertown, NY
Billings & Spencer Co. - Hartford, CT

Fred. G. Dieterich
J. R. Littell
Donaciano Valdes
Henry C. Harrington

Patent Dates:
Applied: Mar. 09, 1880
Granted: Sep. 13, 1881

Patent Pictures: [ 1 | 2 ]
John F. Phillips patent September 13, 1881
USPTO pdf tiff
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The double-ended clamping hook pivot is off-center, or selectable from a series of holes, to accommodate multiple sizes.

The specifications note and disclaim any features in patent numbers 111,422, 191,666, and 26,530.

Corresponding Canadian patent CA-13,562 was granted Oct. 19, 1881.

Ken Cope's "American Wrench Makers 1830-1930" shows a listing for E.D. Eames of Watertown, NY as maker of PHILIPS PATENT PIPE AND STUD WRENCH. March 17, 1883 MECHANICAL ENGINEER includes mention of the wrench among tools produced by Billings & Spencer. A known example marked PHILLIPS PATENT; it was advertised in hardware catalogs of the late 1880s and 1890s.

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