Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628690 | Amusement ride with at least one longitudinal guide with a passenger vehicle capable of changes in height | Robert Spieldiener, Reinhold Spieldiener, Alfons Saiko | 1997-05-13 |