Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820520 | Exercise device | — | 1998-10-13 |
| 5431699 | Mixtures of azo dyes for navy to black hues | Arno Lange, Uwe Nahr, Volker Walther | 1995-07-11 |
| RE31092 | Orthopedic reclining chair | — | 1982-11-30 |
| 4214790 | Orthopedic reclining chair | — | 1980-07-29 |