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US Patent: 464,401
Pipe or Nut Wrench
Improvement in Pivoted Sliding-Jaw Pipe and Nut Wrench
Patentee:
James L. Taylor - Memphis, TN

USPTO Classifications:
81/99

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

Assignees:
None

Manufacturer:
C. H. Redman Mfg. Co. - Newark, NJ

Witnesses:
W. R. Edelen
Arthur E. Dowell
James R. Mansfield

Patent Dates:
Applied: Aug. 13, 1891
Granted: Dec. 01, 1891

Patent Pictures:
James L. Taylor Pat. December 1, 1891
USPTO pdf tiff
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J. L. Taylor Pipe and Nut Wrench (FLICKR)
Description:
This patent is an improvement on Taylor's August 19, 1890 patent (no. 434,847) The improvement includes the adjustable base for the swinging hook jaw. The lever on the base allows one-handed operation and the spring attached to the hook jaw gives ratcheting action.

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