Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731646 | Moving-image coder with self-identification of the stuffing characters | — | 1988-03-15 |
| 4290142 | Interactive cable television system | Rolf Schnee, Franz Kraus, Friedrich Kiel, Wolfgang Krick, Herbert Landgraf | 1981-09-15 |