Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4970721 | Resource-decoupled architecture for a telecommunications switching system | Andrew L. Aczel, Robert Pfeffer, Ernst A. Munter | 1990-11-13 |
| 4796022 | Double transit bus system | David Schenkel | 1989-01-03 |