Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7078830 | Connecting circuit and method for connecting a generator to the electricity grid making use thereof | Gerardus Jacobus Josephine Beckers, Dirk Lucas Bekkering, Berend Jan Van Kampen, Johannes Sjoerd Ribberdink, Jacobus Gerardus Maria Zutt | 2006-07-18 |
| 4821246 | Electromagnetic vibrator for seismic and civil-engineering applications | Anne R. Ritsema, Rudolf Unger | 1989-04-11 |