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US Patent: 603,290
Wrench
Patentee:
Hubert Montgomery Smith (exact or similar names) - New York, NY

USPTO Classifications:
81/147

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
O. C. Winge
B. McComb
C. Sedgwick
Patent Dates:
Applied: Jun. 09, 1897
Granted: May 03, 1898

Patent Pictures:
Hubert Montgomery Smith patent May 3, 1898
USPTO (New site tip)
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Description:
Quick adjust with a spring-tensioned movable jaw that has internal teeth that engage rack teeth on the back of the main shank.

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