Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628391 | Floorplate frame for a people moving device | Thomas Lis | 1997-05-13 |
| 5372231 | Combplate for a people moving device | Thomas Lis, Peter von Riegen, Kay U. Wiechmann | 1994-12-13 |