Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372231 | Combplate for a people moving device | Heinz Volkening, Thomas Lis, Peter von Riegen | 1994-12-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372231 | Combplate for a people moving device | Heinz Volkening, Thomas Lis, Peter von Riegen | 1994-12-13 |