US Patent: 341,084 - Manufacture of Twist-Drills


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US Patent: 341,084

Manufacture of Twist-Drills

Patentee:

Frank E. Whitney (exact or similar names) - Melrose, MA

USPTO Classifications:

72/365.2, 72/371, 76/108.6

Tool Categories:

tool making : making drills and augers

woodworking tools : hand drills : drill bits : twist drill bits

Assignees:

None

Manufacturer:

Tower & Lyon - New York, NY

Witnesses:

J. M. Dolan

Fred. B. Dolan

Patent Dates:
Applied:	Jan. 29, 1885
Granted:	May 04, 1886

Patent Pictures:

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Description:

A Martin J. Donnelly sale featured a rather ornate hand drill from Tower & Lyon that has this patent date; there were no other hand-drill related patents issued on that date and we assume that the drill bits that originally came with it used this patent.