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US Patent: 964,313
Wrench
Patentee:
James G. Portteus (exact or similar names) - Marion, IN

USPTO Classifications:
81/126

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
James G. Portteus - Marion, IN
Theodore Portteus - Indianapolis, IN

Manufacturer:
Not known to have been produced

Witnesses:
Francis M. Springer
Cornelia Luesche
Patent Dates:
Applied: Jan. 07, 1910
Granted: Jul. 12, 1910

Patent Pictures:
James G. Portteus Pat. July 12, 1910
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Description:
The self-adjusting nut wrench uses an intermediate link between the handle and movable jaw.

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