Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357504 | Facility and method for D channel packet switching | — | 1994-10-18 |
| 5355402 | System for establishing a connection between private branch exchanges | Bernd Weis, Karl-Albert Turban, Monika Bezler, Manfred Schulz | 1994-10-11 |