Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5907094 | Nitrification activity test (NAT): procedure to monitor nitrifier biomass | Walter V. Burnham, III | 1999-05-25 |
| 5849192 | Procedure to recover from nitrification upsets | Walter V. Burnham, III | 1998-12-15 |