Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306208 | Apparatus for the ventilation of the passenger space of rapidly moving elevator cars | Rolf W. Günther, Urs Minder | 1994-04-26 |
| 5228769 | Apparatus for illuminating the interior of an elevator car | Rolf W. Günther, Christian Schaffler, Dusan Pibernik | 1993-07-20 |