Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375584 | Modular telephone keyset structure | Deepak R. Muzumdar, Gerry Suarez, Rolf E. Schneider, Theodore W. Wagner | 1983-03-01 |
| 4292474 | Electronic key telephone system with bi-directional serial data stream station control | Wilfred L. Morrell | 1981-09-29 |