Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7331903 | Trampoline having a curved frame with better jumping characteristics | Masato Ikegami | 2008-02-19 |
| 7216730 | Driving system for an industrial truck | Ralf Baginski, Rainer Bruns, Stefan Steiger | 2007-05-15 |
| 6135922 | Trampoline attachment | — | 2000-10-24 |
| 5713821 | Portable exercise device | — | 1998-02-03 |
| 5033133 | Seat cushion | — | 1991-07-23 |
| 4729599 | Bleacher cushions | — | 1988-03-08 |
| 4358107 | Weight lifting machine | — | 1982-11-09 |