Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5018059 | Method and apparatus for telecommunications signal processing and switching | Johann Wurzenberger, Herbert H. Hausmann, Giselher Eckel, Peter Friedrich | 1991-05-21 |
| 4700018 | Method and circuit arrangement for the transmission of data signals between two control devices belonging to a loop system | Karl-Heinz Michels-Krohn, Josef Untergruber, deceased | 1987-10-13 |
| 4700019 | Method and circuit arrangement for the transmission of data signals to a group of control devices belonging to a loop system | Karl-Heinz Michels-Krohn, Josef Untergruber, deceased | 1987-10-13 |