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Patent number:
Patent Date:
US Patent: 313,456
Machine for the Manufacture of Auger-Bits
Patentee:
James Swan (
exact
or
similar
names) - Seymour, CT
USPTO Classifications:
409/163
,
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:
G. W. Gregory
W. H. Sigston
Patent Dates:
Applied:
Jun. 23, 1884
Granted:
Mar. 03, 1885
Patent Pictures:
USPTO
(New site tip)
Google Patents
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