Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685991 | Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same | Peter J. Degen, John Mischenko, III, Robert E. Kesting, Trevor A. Staff | 1997-11-11 |