Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8272447 | Methods and apparatus for drilling, completing and configuring U-tube boreholes | Dean Lee, Richard Thomas Hay, Kyler Tebbutt, Rodney A. Schnell, Joe E. Hess +2 more | 2012-09-25 |
| 7188689 | Variable gauge drilling apparatus and method of assembly therefor | Terrance Dean Maxwell, Julio Abraham Carrera Garcia, Bryan James Restau, Richard Thomas Hay, Edward James Cargill | 2007-03-13 |