Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002498 | Systems and methods for underground storage of biogas | Larry G. Shilling | 2011-08-23 |
| 7994909 | Systems and methods for identifying and collecting banned waste | Dominic Maruca, Nancy Edwards Cronin, John A. Kintzer | 2011-08-09 |
| 7722289 | Systems and methods for underground storage of biogas | Larry G. Shilling | 2010-05-25 |