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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:
C. L. Evert
H. R. Benson
Martin Shepherd
A. U. Marr

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.

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