Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914879 | Network element with redundant switching matrix | Volkmar Heuer, Rainer Sigloch | 2005-07-05 |
| 6717953 | Method of and facility for converting a SONET signal to an SDH signal | Volkmar Heuer, Hans-Jörg Jäkel | 2004-04-06 |
| 5070497 | Transmission network with switchable network nodes | — | 1991-12-03 |