Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5806653 | Roller assembly for a passenger conveyor step chain | Hermann W. Ahls, Angelika Minta | 1998-09-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5806653 | Roller assembly for a passenger conveyor step chain | Hermann W. Ahls, Angelika Minta | 1998-09-15 |