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Patent number:
Patent Date:
US Patent: 597,750
Auger-Bit
Bell Hangers Twist Drill
Patentee:
Sinclair Smith (
exact
or
similar
names) - Brooklyn, NY
USPTO Classifications:
408/199
,
408/1R
,
408/230
Tool Categories:
woodworking tools
:
hand drills
:
drill bits
:
twist drill bits
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
C. Gerst
A. C. Van Blarcom
Patent Dates:
Applied:
Mar. 24, 1897
Granted:
Jan. 25, 1898
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)
Description:
Twist drill for carrying wires by means of holes in the body of the bit.
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