Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5819902 | Safety device for escalators | Jerzy Welnic | 1998-10-13 |
| 5398800 | Safety device for a people mover | Peter Hofling, Alfred Thiel | 1995-03-21 |
| 4645059 | Roller-path system | Peter Hofling | 1987-02-24 |
| 4476971 | Safety device for conveyance systems for people | — | 1984-10-16 |
| 4360078 | Device for placing escalators in and out of operation | — | 1982-11-23 |