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Patent number:
Patent Date:
US Patent: 554,443
Countersinking-Bit
Patentee:
John H. Henry (
exact
or
similar
names) - Brightwood, MA
USPTO Classifications:
408/202
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
countersinks
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
A. H. Warner
Charles E. Hardley
Patent Dates:
Applied:
Mar. 28, 1895
Granted:
Feb. 11, 1896
Patent Pictures:
USPTO
(New site tip)
Google Patents
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