Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371571 | Granulation of metallurgical slag | Marc Solvi, Bob Greiveldinger, Claudine Friederici, Daniel Michels | 2016-06-21 |
| 9200346 | Dry granulation of metallurgical slag | Marc Solvi, Bob Greiveldinger, Claudine Friederici, Daniel Michels, Horst Kappes | 2015-12-01 |
| 6629905 | Drive for adjustment devices in motor vehicles | Helmut Sesselmann, Roland Feder, Manfred Stenzel | 2003-10-07 |
| D465667 | Chaise | — | 2002-11-19 |
| D459595 | Swivel rocker | — | 2002-07-02 |