Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661255 | Multilayer filter material, process for its manufacture and the use thereof | Gunther Aumann, Hans K. Schuster | 1987-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661255 | Multilayer filter material, process for its manufacture and the use thereof | Gunther Aumann, Hans K. Schuster | 1987-04-28 |