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Patent number:
Patent Date:
US Patent: 141,401
Improvement in Machines for Forming Auger-Bits
Patentee:
James Swan (
exact
or
similar
names) - Seymour, CT
USPTO Classifications:
76/2
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. Divine
Fred. Rugg
Patent Dates:
Applied:
Apr. 10, 1873
Granted:
Jul. 29, 1873
Patent Pictures: [
1
|
2
]
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