Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715565 | Subterranean boring machine | — | 2004-04-06 |
| 6688408 | Auger drill directional control system | Russell J. Miller | 2004-02-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6715565 | Subterranean boring machine | — | 2004-04-06 |
| 6688408 | Auger drill directional control system | Russell J. Miller | 2004-02-10 |