Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363936 | Telephone network including common equipment with message information and control information circuits for connecting to stations having multifunction telephones | Ronald W. Christain, Uwe A. Pommerening, Stanley L. Russell, Julian Wray West | 1982-12-14 |
| 4334126 | Control circuit for concurrently monitoring and controlling functions and frequency modulating status information in a digital data network | — | 1982-06-08 |
| 4322581 | Multifunction telephone with message information and control information circuits for connecting stations and common equipment in a telephone network | Ronald W. Christain | 1982-03-30 |