Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5978393 | Laser diode power output controller and method thereof | Michael R. Feldman, Fouad Kiamilev | 1999-11-02 |
| 4611673 | Drill bit having offset roller cutters and improved nozzles | Paul E. Pastusek, Percy W. Schumacher | 1986-09-16 |
| 4558754 | Drill bit having angled nozzles | Paul E. Pastusek | 1985-12-17 |
| 4546837 | Drill bit having angled nozzles for improved bit and well bore cleaning | Paul E. Pastusek | 1985-10-15 |
| 4516642 | Drill bit having angled nozzles for improved bit and well bore cleaning | Paul E. Pastusek | 1985-05-14 |
| 4323284 | Thrust face bearing structure for rolling cutter drill bit | Terry H. Mayo | 1982-04-06 |