Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542521 | Step Platform for an escalator | Helmut Meyer, Hermann W. Ahls, Klaus Blaseck | 1996-08-06 |
| 5381881 | Step platform for an escalator | Helmut Meyer, Hermann W. Ahls, Klaus Blaseck | 1995-01-17 |