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US Patent: 95,846
Improvement in Combined Bit and Tap
Patentee:
S. A. Smith (exact or similar names) - New Haven, CT

USPTO Classifications:
408/214, 408/222, 408/223

Tool Categories:
woodworking tools : hand drills : drill bits : auger bits

Assignees:
Centre Brook Manufacturing Co. - Centre Brook, CT

Manufacturer:
Not known to have been produced

Witnesses:
J. H. Shumway
A. J. Tibbits

Patent Dates:
Granted: Oct. 12, 1869

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Jeff Joslin (dm)
Description:
Combining an auger bit with a tap, this patent was primarily intended for use by cabinetmakers when installing drawer & door knobs with threaded wooden posts. Not currently known to have been manufactured, but the assignment to the Centre Brook Mfg. Co. suggests a good possibility that it was.

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