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Patent number:
Patent Date:
US Patent: RE5,393
Improvement in Hollow-Augers
Patentee:
William A. Clark (
exact
or
similar
names) - New Haven, CT
USPTO Classifications:
30/495
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
hollow bits
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
J. McKinney
Philip T. Dodge
Patent Dates:
Applied:
Apr. 17, 1873
Granted:
May 06, 1873
Reissue Information:
Reissue of
121,707
(Dec. 12, 1871)
Patent Pictures:
USPTO
(New site tip)
Google Patents
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