Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7510004 | Method for treating an underground formation | James E. Hessert, Jimmy D. DeLong, Charles J. Neef | 2009-03-31 |
| 6667279 | Method and composition for forming water impermeable barrier | James E. Hessert, Jimmy D. DeLong, Charles J. Neef | 2003-12-23 |