Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6174584 | Washable cover for mattresses | Rainer Keller | 2001-01-16 |
| 6034002 | Sealing tape for sealing pipe joints | — | 2000-03-07 |
| 5533210 | Completely reyclable jacket made of synthetic polymer material | Friedhelm Brandau | 1996-07-09 |