Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7042847 | Telecommunications transport network comprising elements having a performance monitoring facility and method of operating the same | David Gourley | 2006-05-09 |
| 4769809 | Method of and circuit arrangement for through-switching broadband digital signals without phase jump in a synchronous broadband communication network | — | 1988-09-06 |
| 4763326 | Service-integrating, digital message transmission system for joint transmission of narrow-band and broadband signals | — | 1988-08-09 |
| 4290142 | Interactive cable television system | Rolf Schnee, Franz Kraus, Friedrich Kiel, Helmut Kliem, Herbert Landgraf | 1981-09-15 |