IP Library › Granted Patent US 5,458,211
Granted Patent Utility
US 5,458,211 · App. 08/197,158

Spade drill bit construction

Inventors: Thomas M. Dennis, Mark Hunt
Patented Case View Patent ↗
Granted: Oct 17, 1995 Filed: Feb 16, 1994
Inventors
Thomas M. Dennis
Mark Hunt

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Quick Facts
Patent No.
US 5,458,211
App. No.
08/197,158
Filed
1994-02-16
Granted
1995-10-17
Kind
A