Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911285 | Erosion resistant downhole mud diverter tool | Mark W. Craig | 1999-06-15 |
| 5697460 | Drill pipe for directional drilling | Karl Schmidt | 1997-12-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911285 | Erosion resistant downhole mud diverter tool | Mark W. Craig | 1999-06-15 |
| 5697460 | Drill pipe for directional drilling | Karl Schmidt | 1997-12-16 |