Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598689 | Roller cone for drill bit having improved resistance to fatigue cracking | Robert H. Slaughter, Jr. | 2003-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598689 | Roller cone for drill bit having improved resistance to fatigue cracking | Robert H. Slaughter, Jr. | 2003-07-29 |