Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915911 | Device for rinsing out a substance present in a zone | Sigmar Klose, Manfred Pasch, Helmut Schlumberger, Friedhelm Vieth | 1990-04-10 |
| 4668622 | Phenolsulphonphthaleinyl-.beta.-D-galactosides and diagnostic agents containing them | Manfred Kuhr, Rudolf Machat, Wolfgang Weckerle, Hans-Georg Batz, Rupert Herrmann +1 more | 1987-05-26 |
| 4219435 | Detergent tablet coating | Daniel Biard, Gerard J. Lichtfus, Hans J. Pracht | 1980-08-26 |