Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 646,439
Expansible Bit
Patentee:
Joseph P. Lavigne (exact or similar names) - New Haven, CT

USPTO Classifications:
408/195, 408/212

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

Assignees:
John J. Tower - New York, NY

Manufacturer:
Not known to have been produced

Witnesses:
John J. Tower
William H. Cole

Patent Dates:
Applied: Sep. 15, 1899
Granted: Apr. 03, 1900

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin (dm)

Copyright © 2002-2024 - DATAMP