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Patent number:
Patent Date:
US Patent: 269,406
Auger
Patentee:
Porter A. Gladwin (
exact
or
similar
names) - Boston, MA
USPTO Classifications:
408/194
,
408/195
,
408/212
,
408/213
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
adjustable drill bits
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Henry W. Williams
Joseph Ishbaugh
Patent Dates:
Applied:
Apr. 25, 1882
Granted:
Dec. 19, 1882
Patent Pictures:
USPTO
(New site tip)
Google Patents
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