Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6074554 | Aeration system | Robert B. Ray, Mark M. Oandil | 2000-06-13 |
| 6036434 | Aeration system | Robert B. Ray, Mark M. Qandil | 2000-03-14 |
| 5591001 | Aeration system | Robert B. Ray, Mark M. Qandil | 1997-01-07 |