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US Patent: 208,862
Improvement in the Manufacture of Auger-Bits
Patentee:
James Swan - Seymour, CT

USPTO Classifications:
72/371, 72/374, 76/102

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:
Fred. A. Rugg
J. W. Rogers

Patent Dates:
Applied: Jun. 27, 1877
Granted: Oct. 08, 1878

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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