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US Patent: 722,665
Wrench
Patentee:
Melvin Barber (exact or similar names) - Oklahoma City, OK

USPTO Classifications:
81/161

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Marshall Fulton
Geo. Hess
B. G. Foster
Howard D. Orr

Patent Dates:
Applied: Feb. 13, 1902
Granted: Mar. 17, 1903

Patent Pictures:
Melvin Barber Pat. March 17, 1903
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Description:
The patent is for the interrupted threads on the shank and inside the adjusting sleeve, and the spring which tends to close the jaws, and also is part of the adjustment locking feature.

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