Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5614309 | Coated polypropylene or polyethylene useful for membranes | Tai-Shung Chung, Edward R. Kafchinski, Rachel S. Kohn | 1997-03-25 |
| 5599639 | Acid-modified polybenzimidazole fuel cell elements | Michael J. Sansone, Naoya Ogata | 1997-02-04 |