Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543599 | Step for escalators | — | 2003-04-08 |
| 6398003 | Escalator step | — | 2002-06-04 |
| 6093478 | Composite member | Hans-Peter Wirtz | 2000-07-25 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543599 | Step for escalators | — | 2003-04-08 |
| 6398003 | Escalator step | — | 2002-06-04 |
| 6093478 | Composite member | Hans-Peter Wirtz | 2000-07-25 |