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US Patent: 14,528
Wrench
Patentee:
William Warwick (exact or similar names) - Pittsburgh, PA

USPTO Classifications:
81/134

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry Moesley
T. B. Atterbury
Patent Dates:
Granted: Mar. 25, 1856

Patent Pictures:
William Warwick Pat. Mar. 25, 1856
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Description:
This rack wrench has the spring-loaded pawl inside the adjustable jaw, and engaging a rack cut in the edge of a recess in one side of the main bar.

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