Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864919 | Vent for aerating windows | Alfred Kern | 1989-09-12 |
| 4866320 | Fan assembly | — | 1989-09-12 |
| 4824892 | UV light stabilizer based on benzophenone | Kurt Eiglmeier | 1989-04-25 |
| 4821796 | Device for heating compartments | — | 1989-04-18 |