Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875157 | Alternate memory addressing for information storage and retrieval | Thomas Ouellette, Richard N. Deglin | 1989-10-17 |
| 4829514 | Digital voice recording and reproduction and telephone network signalling using direct storage in RAM of PCM encoded data | Thomas Ouellette, Richard N. Deglin, Lester A. Potter | 1989-05-09 |
| 4817130 | Call management system with protocol converter and port controller | — | 1989-03-28 |