Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702616 | Aramid fiber filtration sheet | Warren M. Foss | 1997-12-30 |
| 5685991 | Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same | John Mischenko, III, Robert E. Kesting, Moira H. Bilich, Trevor A. Staff | 1997-11-11 |
| 5645956 | Resilient battery separator | Joseph Y. Lee, Ioannis P. Sipsas | 1997-07-08 |
| 5614095 | Filtration mediam support material and filter comprising same | Colin F. Harwood, John B. Ronan, Jason Mei | 1997-03-25 |
| 5591539 | Electrolytically conductive battery separator polymeric film | Joseph Y. Lee | 1997-01-07 |