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US Patent: 627,401
Adjustable Nut Cracker
William H. Edwards - Rockford, IL

USPTO Classifications:
294/104, 30/120.4, 81/147, 81/342, 81/408, 99/573, D7/680

Tool Categories:
household tools : nutcrackers
wrenches : pipe wrenches


W. H. Edwards & Co. - Rockford, IL

K. E. Knutson
R. G. Bowman
Herbert D. Lawson
Edwin B. H. Tower, Jr.

Patent Dates:
Applied: Jan. 30, 1899
Granted: Jun. 20, 1899

Patent Pictures:
William H. Edwards patent June 20, 1899
USPTO pdf tiff
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The wedge shape of the jaws lead many to the assumption this is an adjustable alligator wrench. The specifications note it could be used as a pipe wrench. Known examples are marked only with the patent date, and nickel plated.

The tool received Canadian patent no. CA-64,503 on Oct. 23, 1899.

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