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US Patent: 448,013
Wrench
Patentee:
Benjamin Blanton Farris (exact or similar names) - Rocky Ford, GA

USPTO Classifications:
81/106, 81/132, 81/186

Tool Categories:
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. Sedgwick
Chas. Nida
Henry Hermann
J. E.C. Tillman
Patent Dates:
Applied: Dec. 13, 1890
Granted: Mar. 10, 1891

Patent Pictures:
Benjamin Blanton Farris patent March 10, 1891
USPTO (New site tip)
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Description:
The swinging hook jaw is mounted on a sliding toothed plate that clamps to the handle with a bolt and wing nut.

Ken Cope's "American Wrench Makers 1830-1930" notes a contemporary SCIENTIFIC AMERICAN item that implies Farris would produce the wrench.

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