Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834410 | Elevator installation | Holger Zerelles, Ronald Dietze, Juri Schäfer | 2017-12-05 |
| 9783391 | Elevator installation | Holger Zerelles, Ronald Dietze, Juri Schäfer | 2017-10-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834410 | Elevator installation | Holger Zerelles, Ronald Dietze, Juri Schäfer | 2017-12-05 |
| 9783391 | Elevator installation | Holger Zerelles, Ronald Dietze, Juri Schäfer | 2017-10-10 |