Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690165 | Ventilation device for a space zone | Andreas Bollinger, Gerd-Eugen Schaal, Claus Handel | 1997-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690165 | Ventilation device for a space zone | Andreas Bollinger, Gerd-Eugen Schaal, Claus Handel | 1997-11-25 |