US Patent: 110,914


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US Patent: 110,914

Wrench

Patentee:

John Goodin (exact or similar names) - Joliet, IL

USPTO Classifications:

81/77

Tool Categories:

wrenches : wrench adjustment types : screw adjust wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Jun. 21, 1870
Granted:	Jan. 10, 1871

Patent Pictures:

John Goodin Pat. Jan. 10, 1871

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Description:

The jaws of this double open-end operate in inverse ratio to each other -- as the jaws at one end open jaws on the other end close. The adjusting screw that connects them has right- and left-hand threads.