Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615935 | Roller cone bits with wear and fracture resistant surface | Anthony Griffo, Alysia C. White, Chris E. Cawthorne | 2003-09-09 |
| 6607835 | Composite constructions with ordered microstructure | Anthony Griffo, Alysia C. White | 2003-08-19 |
| 6571889 | Rotary cone bit with functionally-engineered composite inserts | Anthony Griffo, Robert Denton | 2003-06-03 |
| 6536542 | Rock bit seal with multiple dynamic seal surface elements | Chris E. Cawthorne, Nephi M. Mourik, Sujian Huang | 2003-03-25 |