Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460636 | Drill bit inserts with variations in thickness of diamond coating | Suprant J. Huang, Nathan R. Anderson, J. Daniel Belnap, Chris E. Cawthorne, Ronald K. Eyre +4 more | 2002-10-08 |
| 6443248 | Drill bit inserts with interruption in gradient of properties | S. J. Huang | 2002-09-03 |
| 6361873 | Composite constructions having ordered microstructures | Sujian Huang, Michael A. Siracki, Chris E. Cawthorne, J. Albert Sue, Ghanshyam Rai +1 more | 2002-03-26 |