Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4824363 | Process and equipment for removing odorous substances from the fresh air for vehicle cabins | Joerg Abthoff, Hans-Dieter Schuster, Karlwalter Schmidt, Gottfried Wollenhaupt | 1989-04-25 |