Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10308479 | Elevator installation | Holger Zerelles, Bernd Altenburger, Juri Schäfer | 2019-06-04 |
| 10183842 | Elevator installation | Jörg Müller, Holger Zerelles, Bernd Altenburger, Juri Schäfer | 2019-01-22 |