Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698098 | Cone erosion protection for roller cone drill bits | Anthony Griffo, Robert H. Slaughter, Jr. | 2004-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698098 | Cone erosion protection for roller cone drill bits | Anthony Griffo, Robert H. Slaughter, Jr. | 2004-03-02 |