Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6556593 | Digital cross connect and add/drop multiplexing device for SDH or SONET signals | Andreas Herkersdorf, Wolfram Lemppenau | 2003-04-29 |
| 5901140 | Selective congestion control mechanism for information networks | Hans Rudolf Schindler | 1999-05-04 |
| 5768258 | Selective congestion control mechanism for information networks | Hans Rudolf Schindler | 1998-06-16 |
| 5764392 | Access control system for a multi-channel transmission ring | Hans Rudolf Schindler | 1998-06-09 |
| 5636164 | Gate array for accelerating access to a random access memory | Hans Rudolf Schindler, Wolfram Lemppenau | 1997-06-03 |
| 5515265 | Apparatus for determining the optimal value of a control parameter | Hans Rudolf Schindler, Wolfram Lemppenau | 1996-05-07 |
| 5327428 | Collision-free insertion and removal of circuit-switched channels in a packet-switched transmission structure | Wolfram Lemppenau, Erwin A. Zurfluh | 1994-07-05 |
| 5276682 | Medium access technique for LAN systems | Wolfram Lemppenau | 1994-01-04 |
| 5214649 | Insert/remove signalling in LAN systems | Wolfram Lemppenau, Erwin A. Zurfluh | 1993-05-25 |
| 4843606 | Local area communication system for integrated services based on a token-ring transmission medium | Werner Bux, Felix H. Closs, Johann Mueller, Pitro A. Zafiropulo | 1989-06-27 |