Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6129104 | Method for automotive dose control of liquid treatment chemicals | Joseph M. Bonazza | 2000-10-10 |
| 5989427 | Method of degassing biological filters | Joseph M. Bonazza, Miguel J. Merino | 1999-11-23 |
| 5496472 | Method and apparatus for denitrification of wastewater | David Slack | 1996-03-05 |