Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34536 | Call management system with protocol converter and port controller | — | 1994-02-08 |
| 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 |
| 4741028 | Method of randomizing telephone numbers | Alan R. Trefzger | 1988-04-26 |