Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6052955 | Vibrating floor | — | 2000-04-25 |
| 5107556 | Furniture suspended from ropes | — | 1992-04-28 |
| 4834224 | Pendulum | — | 1989-05-30 |
| 4567614 | Seating or sleep furniture | Siegfried Purner | 1986-02-04 |