Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5979610 | Rail brake device having permanent magnetic energization | — | 1999-11-09 |
| 5207024 | Door system of the swivel-sliding type for use in an vehicle | Sietse Epema, Bart van der Sloot | 1993-05-04 |
| 5018605 | Magnetic rail brake device | Bart van der Sloot, Sytse Epema | 1991-05-28 |