Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875157 | Alternate memory addressing for information storage and retrieval | James J. Frimmel, Jr., Thomas Ouellette | 1989-10-17 |
| 4829514 | Digital voice recording and reproduction and telephone network signalling using direct storage in RAM of PCM encoded data | James J. Frimmel, Jr., Thomas Ouellette, Lester A. Potter | 1989-05-09 |