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US Patent: 421,598
Pliers
Patentee:
Joseph Monto (exact or similar names) - Chelsea, MA

USPTO Classifications:
81/312, 81/359, 81/415

Tool Categories:
pliers

Assignees:
None

Manufacturer:
The Steel, Edge Stamping and Retinning Co. - Portland, ME

Witnesses:
A. D. Harrison
C. F. Brown
P. Emerson
Patent Dates:
Applied: Feb. 23, 1889
Granted: Feb. 18, 1890

Patent Pictures:
Joseph Monto patent February 18, 1890
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Description:
Double-jaw pliers presented in two optional forms. The "partial" image form uses a cam lever and sliding jaw to keep the jaws parallel.

This is the first of several patents relating to tin-plating processes.

Knight, Brown & Crosby - patent attorneys

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