Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797926 | Digital speech vocoder | Walter T. Hartwell, Willem Baastian Kleijn, Dimitrios P. Prezas | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797926 | Digital speech vocoder | Walter T. Hartwell, Willem Baastian Kleijn, Dimitrios P. Prezas | 1989-01-10 |