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US Patent: 82,085
Improvement in Wrenches
Patentee:
Luke Chapman (exact or similar names) - Collinsville, CT

USPTO Classifications:
81/174

Tool Categories:
wrenches : nut wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Collins Co. - Hartford, CT

Witnesses:
William W. Bidwell
Albert Davison

Patent Dates:
Granted: Sep. 15, 1868

Patent Pictures: [ 1 | 2 ]
Luke Chapman patent Sept. 15, 1868
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Description:
A snap ring connects the moveable jaw to the adjusting sleeve. According to Ken Cope's "American Wrench Makers 1830-1930," Chapman was the Collins Co. plant superintendent.

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