Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699711 | Device and method for selective exposure of a biological sample to sound waves | Bernhard Kleffner, Hans Ruf | 2004-03-02 |
| 5877138 | Carpet cleaning formulation | Alexander Ditze, Bernd-Dieter Holdt, Franz Kresse, Theo Fleckenstein | 1999-03-02 |
| 5783543 | Scatterable carpet cleaning formulation containing rollable particles | Theo Fleckenstein, Alexander Ditze, Franz Kresse | 1998-07-21 |
| 5746777 | Scatterable carpet cleaning formulations | Theo Fleckenstein, Alexander Ditze | 1998-05-05 |
| 4945797 | Automated multiple rip saw feeding apparatus | — | 1990-08-07 |