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US Patent: 646,263
Wrench
Patentee:
Phineas R. Coleman (exact or similar names) - Newark, NJ

USPTO Classifications:
81/112

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

Assignees:
Phineas R. Coleman - Newark, NJ
Thomas Dunn English - Newark, NJ

Manufacturer:
Not known to have been produced

Witnesses:
William P. Goebel
J. Fred. Acker
A. W. Dunn
G. J. Keller
Patent Dates:
Applied: Jan. 15, 1900
Granted: Mar. 27, 1900

Patent Pictures:
Phineas R. Coleman patent March 27, 1900
USPTO (New site tip)
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Description:
A clamping slide and diverging slots on the jaw halves comprise the adjusting means.

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