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US Patent: 192,920
Wrench
Patentee:
Benjamin F. Joslyn (exact or similar names) - Worcester, MA

USPTO Classifications:
81/145, 81/156

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Thomas McIlvain
Henry Howson, Jr.
Hubert Howson
Patent Dates:
Applied: Aug. 24, 1876
Granted: Jul. 10, 1877

Patent Pictures:
Benjamin F. Joslyn Pat. July 10, 1877
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Description:
This combination screw and quick-adjust nut wrench is described as an improvement on Joslyn's Dec. 7, 1875 patent (no. 170,860).

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