Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4740955 | Communications system having voice and digital data capability and employing a plurality of voice and data buses in main service unit and serial packetized transmission to and from telephones | John E. Anderson, Gary William Mason, Minoru Shigematsu, Fumikazu Hamatani | 1988-04-26 |