Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033345 | Apparatus and method for a drilling assembly | Guy Randall, Brian Hollis, William E. Burky, Joe Szarka, Neil M. Baker +2 more | 2011-10-11 |
| 7318491 | Apparatus and method for modified horizontal directional drilling assembly | — | 2008-01-15 |
| 7152700 | Dual wall drill string assembly | Kris L. Church | 2006-12-26 |