Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862451 | Method and apparatus for switching information between channels for synchronous information traffic and asynchronous data packets | Felix H. Closs, Johann Mueller | 1989-08-29 |
| 4843606 | Local area communication system for integrated services based on a token-ring transmission medium | Werner Bux, Felix H. Closs, Johann Mueller, Harmen Van As | 1989-06-27 |