Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8413323 | Method for high-frequency tuning an electrical device | Ulrich Hetzer | 2013-04-09 |
| 7856709 | Method for high-frequency tuning an electrical device | Ulrich Hetzer | 2010-12-28 |
| 7401402 | Method for high-frequency tuning an electrical device, and a printed circuit board suitable therefor | Ulrich Hetzer | 2008-07-22 |
| 5349461 | Simultaneous bidirectional digital data transmission over a single line at a common frequency on an optical waveguide | Hon Huynh, Jorg Franzke, Harald Lilienthal | 1994-09-20 |