Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685991 | Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same | Peter J. Degen, Robert E. Kesting, Moira H. Bilich, Trevor A. Staff | 1997-11-11 |
| 5480554 | Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same | Peter J. Degen, Robert E. Kesting, Moira H. Bilich, Trevor A. Staff | 1996-01-02 |
| 4534388 | Dispersion system and method | David B. Pall, Peter J. Degen | 1985-08-13 |