Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478887 | Boronized wear-resistant materials and methods thereof | Zhigang Fang, Alysia C. White | 2002-11-12 |
| 6451442 | Composite constructions with oriented microstructure | Ghanshyam Rai, Zhigang Fang | 2002-09-17 |
| 6422327 | Drill bit with ridge-cutting cutter elements | Gary R. Portwood | 2002-07-23 |
| 6392190 | Automated hardfacing system | Zhigang Azk Fang, Alysia C. White | 2002-05-21 |
| 6361873 | Composite constructions having ordered microstructures | Zhou Yong, Sujian Huang, Michael A. Siracki, Chris E. Cawthorne, Ghanshyam Rai +1 more | 2002-03-26 |