Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4393356 | Filter circuit for electric waves | — | 1983-07-12 |
| 4320366 | Carrier frequency communication transmission system having premodulation | Wilhelm Volejnik, Karl Traub, Hans Albsmeier | 1982-03-16 |
| 4268806 | Electric filter circuit consisting of charge transfer device (CTD) lines | Hermann Betzl | 1981-05-19 |
| 4267535 | Switching circuit consisting of CTD lines | Hermann Betzl, Roland Schreiber | 1981-05-12 |