Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355750 | Rolling cone bit with improved wear resistant inserts | Danny E. Scott, Gordon A. Tibbitts | 1994-10-18 |
| 5351772 | Polycrystalline diamond cutting element | — | 1994-10-04 |
| 5348108 | Rolling cone bit with improved wear resistant inserts | Danny E. Scott, Gordon A. Tibbitts | 1994-09-20 |