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Patent number:
Patent Date:
US Patent: 596,420
Expansion Router-Bit
Patentee:
Franklin W. Britton (
exact
or
similar
names) - Brainerd, MN
USPTO Classifications:
408/190
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
adjustable drill bits
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
I. U. White
S. J. Greer
Patent Dates:
Applied:
Apr. 19, 1897
Granted:
Dec. 28, 1897
Patent Pictures:
USPTO
(New site tip)
Google Patents
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