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Patent number:
Patent Date:
US Patent: 76,301
Improvement in Machine for Grinding and Cutting Down Augers
Patentees:
E. O. Carrington (
exact
or
similar
names) - West Meriden, CT
Edwin Carrington (
exact
or
similar
names) - West Meriden, CT
USPTO Classifications:
451/140
,
451/221
,
451/239
,
451/246
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:
John H. Bario
I. B. Graham
Patent Dates:
Granted:
Apr. 07, 1868
Patent Pictures:
USPTO
(New site tip)
Google Patents
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