Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11014781 | Elevator safety system and method of monitoring an elevator system | Dirk H. Tegtmeier | 2021-05-25 |
| 10947087 | Elevator safety system and method of operating an elevator system | Dirk H. Tegtmeier | 2021-03-16 |