Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484824 | Failure indicator for rolling cutter drill bit | — | 2002-11-26 |
| 6394199 | Non-circular gauge reaming row inserts | Billy L. Carwile, William L. May | 2002-05-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484824 | Failure indicator for rolling cutter drill bit | — | 2002-11-26 |
| 6394199 | Non-circular gauge reaming row inserts | Billy L. Carwile, William L. May | 2002-05-28 |