Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5898296 | Isolation regulator | Harry L. Maddox | 1999-04-27 | $79,340,000 |
| 5656494 | Biofilter with modular trays | Wayne D. Kant | 1997-08-12 | |
| 5595910 | Biofilter with modular trays | Wayne D. Kant | 1997-01-21 |