Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D971284 | Operating-mode selecting assembly of reader unit, selector, and key | Christoph ZELL, Daniel Schurr, Peter John Schuster, Lydia Wegerer, Lothar Merz +2 more | 2022-11-29 |
| 11468156 | Access control system for controlling access of a user to one or more operating functions of a technical installation | Christoph ZELL, Raphael Schuchardt, Peter John Schuster, Waldemar Friesen | 2022-10-11 |