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US Patent: 16,844
Nut Wrench
Screw-Wrench
Patentee:
Benjamin F. Joslyn - Worcester, MA

USPTO Classifications:
126/104R, 81/171

Tool Categories:
wrenches : nut wrenches
wrenches : wrench components : wrench jaw components
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James F. Buckley
J. W. Coomb

Patent Dates:
Granted: Mar. 17, 1857

Patent Pictures:
B. F. Joslyn Pat. Mar. 17, 1857
USPTO pdf tiff
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Description:
The sliding jaw operates in a hollow shank, and is adjusted by a thumb-wheeled screw.

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