Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202540 | Two-way ring communication system for elevator group control | Bruno Auer | 1993-04-13 |
| 4623041 | Elevator load measuring | Karl Horbrugger | 1986-11-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202540 | Two-way ring communication system for elevator group control | Bruno Auer | 1993-04-13 |
| 4623041 | Elevator load measuring | Karl Horbrugger | 1986-11-18 |