Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12030742 | Method for forming and smoothing a hollow-profile guide rail of an elevator system | Erich Bütler, Romeo Lo Jacono | 2024-07-09 |
| 11912535 | Brake device | Erich Bütler, Romeo Lo Jacono | 2024-02-27 |