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US Patent: 75,399
Improvement in Wrenches
Patentee:
John J. Ellis - Auburn, NY

USPTO Classifications:
7/139, 7/143, 81/132

Tool Categories:
combination tools
wrenches : wrench combination tools
woodworking tools : hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Horace T. Cook
Samuel Sittser

Patent Dates:
Granted: Mar. 10, 1868

Patent Pictures:
John J. Ellis. Pat. Mar. 10, 1868
USPTO pdf tiff
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Description:
The hammer head of the combination hammer / wrench is also a nut which tightens to hold the adjustment of the sliding jaw on the opposite end of the handle.

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