Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6864593 | Device for producing of electric energy and of signal transmitting pressure pulses | Helmut Winnacker | 2005-03-08 |
| 4711402 | Apparatus for reducing the size of and/or for mixing solid, pasty and/or liquid material | Norbert Drager | 1987-12-08 |