Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333699 | Drill bit having polycrystalline diamond compact cutter with spherical first end opposite cutting end | Gary M. Thigpen | 1994-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333699 | Drill bit having polycrystalline diamond compact cutter with spherical first end opposite cutting end | Gary M. Thigpen | 1994-08-02 |