Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7467774 | Adjustable-height chair column | Walter Bohm, Holger Knaust, Gerhard Wunderling | 2008-12-23 |
| 7328875 | Adjustable-height chair column | Gerhard Wunderling | 2008-02-12 |
| 5445564 | Funfair ride | — | 1995-08-29 |
| 4842267 | Amusement park device | — | 1989-06-27 |