Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455983 | Piezoelectric motor | Norbert Dettmann, Gerhard Diefenbach, Franz-Josef Küppers | 2002-09-24 |
| 6396192 | Electrical circuit for the control of piezoelectric drives | Francisco Morales Serrano | 2002-05-28 |