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US Patent: 1,438,442
Plier Wrench
Patentee:
Percival F. King - Shreveport, LA

USPTO Classifications:
81/339, 81/354

Tool Categories:
pliers

Assignees:
None

Manufacturer:
Unknown

Witnesses:
none listed

Patent Dates:
Applied: Feb. 13, 1922
Granted: Dec. 12, 1922

Patent Pictures: [ 1 | 2 ]
Percival F. King patent December 12, 1922
USPTO pdf tiff
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Description:
"The sliding jaw operates on a horn carried by the opposite jaw, the sliding jaw being provided with friction gripping surfaces to engage the horn when pressure is applied." -- from the specifications.

A "KING JOHNSON PLIER" marked with this patent date actually more closely resembles a modified form of this pliers which received patent no. 1,517,162 on Nov. 24, 1924.

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