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US Patent: 573,806
Wrench
Patentees:
Charles A. Bigelow (exact or similar names) - Parker City, PA
Thomas C. Gates (exact or similar names) - Hoodville, PA

USPTO Classifications:
81/140, 81/185.1

Tool Categories:
wrenches : pipe and nut combination wrenches
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Wm. N. Cromwell
A. W. Poynton
W. S. McClintock
A. A. Anderson
Patent Dates:
Applied: Aug. 13, 1896
Granted: Dec. 22, 1896

Patent Pictures:
Charles A. Bigelow and Thomas C. Gates patent December 22, 1896
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Description:
Quick adjust combination pipe and nut wrench.

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