Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319405 | Wastewater disposal system | Harvey I. Scudder | 2001-11-20 |
| 5837142 | Membrane process for treating sanitary wastewater | Steven B. Mullerheim | 1998-11-17 |
| 4284833 | Catalyst regeneration | Robert J. Blake | 1981-08-18 |