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US Patent: 307,074
Tool for Cutting the Floor-Lip and Cutting-Spur of Auger-Bits
Patentee:
James Swan - Seymour, CT

USPTO Classifications:
76/3

Tool Categories:
tool making : making drills and augers
woodworking tools : hand drills : drill bits : auger bits

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
George W. Gregory
B. J. Noyes

Patent Dates:
Applied: Oct. 06, 1883
Granted: Oct. 21, 1884

Patent Pictures:
USPTO pdf tiff
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