Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497752 | Integrally asymmetrical polyolefin membrane | Erich Kessler, Thomas Batzilla, Frank Wiese | 2002-12-24 |
| 6375876 | Method for producing an integrally asymmetrical polyolefin membrane | Erich Kessler, Thomas Batzilla, Frank Wiese | 2002-04-23 |