Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873666 | Message FIFO buffer controller | Martin Claude Lefebvre, Carmine A. Ciancibello | 1989-10-10 |
| 4873667 | FIFO buffer controller | Martin Claude Lefebvre | 1989-10-10 |
| 4816826 | Digital telephone switching system having a message switch with address translation | Ernst A. Munter, Mahmood Sultan | 1989-03-28 |