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US Patent: 603,494
Wrench
Patentees:
Frank Aaron (exact or similar names) - Lansing, KS
James R. G. Huffman (exact or similar names) - Lansing, KS

USPTO Classifications:
81/145, 81/319, 81/323, 81/360, 81/408

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. B. Pyle
Wm. H. Edwards, Jr.
H. V. Reilly
G. R. Bleakley

Patent Dates:
Applied: Sep. 22, 1897
Granted: May 03, 1898

Patent Pictures:
Frank Aaron and James R. G. Huffman patent May 3, 1898
USPTO (New site tip)
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Description:
A lever handle with gripping teeth sets the size and tightens the grip. A secondary lever operates a gripping dog to hold the adjustment. One jaw face has gripping teeth so the wrench can work with nuts or pipe.

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