Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5067062 | Illumination device for a transport system, especially escalators or passenger walkway | — | 1991-11-19 |
| 4953686 | Balustrade for a transportation apparatus especially an escalator or a passenger walkway | — | 1990-09-04 |
| 4863006 | Automatic shutoff apparatus for an escalator | Nabil Kotkata, Mark Dirk Blondiau | 1989-09-05 |
| 4623060 | Cleaning apparatus for cleaning the glass lining of passenger conveying means | — | 1986-11-18 |