Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5788862 | Filtration medium | Peter J. Degen, Moira H. Bilich, Trevor A. Staff, Richard F. Salinaro | 1998-08-04 |
| 5271842 | Contaminant removal system and process | Peter J. Degen, Jeffrey K. Chambers | 1993-12-21 |