Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6171480 | Automated closed recirculating aquaculture filtration system | Phillip G. Lee, John L. Whitson | 2001-01-09 |
| 5961831 | Automated closed recirculating aquaculture filtration system and method | Phillip G. Lee, John L. Whitson | 1999-10-05 |
| 5556536 | Bacterial bed | — | 1996-09-17 |
| 5482630 | Controlled denitrification process and system | Phillip G. Lee, John L. Whitson | 1996-01-09 |