IP Library › Granted Patent US 6,454,028
Granted Patent Utility
US 6,454,028 · Confirmation No. 3376

WEAR RESISTANT DRILL BIT

Inventor: Stephen M. Evans
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2001-01-04 TRNA Transmittal of New Application 3 View
2001-01-04 SPEC Specification 7 View
2001-01-04 CLM Claims 2 View
2001-01-04 ABST Abstract 1 View
2001-01-04 DRW Drawings-only black and white line drawings 1 View
2001-01-04 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,454,028
App. No.
09/754,434
Filed
2001-01-04
Granted
2002-09-24
Pub. No.
US20020084111A1
Art Unit
3672
PTA
0 days