Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427792 | Active gauge cutting structure for earth boring drill bits | Tom Scott Roberts | 2002-08-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6427792 | Active gauge cutting structure for earth boring drill bits | Tom Scott Roberts | 2002-08-06 |