Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12337082 | Odor emission system, device and method | William T. Gressick, Brian R. Clark | 2025-06-24 |
| 11583604 | Odor emission system, device and method | William T. Gressick, Brian R. Clark | 2023-02-21 |
| 5186820 | Process for separating bitumen from tar sands | G. Daniel Irvin | 1993-02-16 |