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US Patent: 477,066
Pliers
Patentee:
Sanford Obadiah Root - Lodi, NY

USPTO Classifications:
30/349, 7/134

Tool Categories:
pliers

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Paul W. Stevens
Wm. J. Littell
Richard Spear
Parker Eaton Houghton

Patent Dates:
Applied: Nov. 10, 1891
Granted: Jun. 14, 1892

Patent Pictures:
Sanford O. Root patent June 14, 1892
USPTO pdf tiff
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Description:
Pliers with inserted cutting edges. Each cutting bit has multiple cutting edges adjacent to the pivot point.

Improved by patent no. 496,902 granted May 9, 1893.

A known example marked with both patent dates, but no maker name corresponds in appearance to Root's Aug. 22, 1892 Canadian patent CA-39,951.

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