Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844446 | Multiple-compartment currency stacker-sorter | Matthew G. Thie | 1989-07-04 |
| 4820059 | Speech processing apparatus and methods | Hisao Chang | 1989-04-11 |
| 4813076 | Speech processing apparatus and methods | — | 1989-03-14 |
| 4809332 | Speech processing apparatus and methods for processing burst-friction sounds | Allard Jongman | 1989-02-28 |