Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802380 | Pressure relief system and methods of use and making | — | 2004-10-12 |
| 6752223 | Roller cone bit with improved seal gland design | Amiya K. Panigrahi, Guy Lefort | 2004-06-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802380 | Pressure relief system and methods of use and making | — | 2004-10-12 |
| 6752223 | Roller cone bit with improved seal gland design | Amiya K. Panigrahi, Guy Lefort | 2004-06-22 |