Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843583 | Nonlinear adaptive filter | Visvaldis A. Vitols | 1989-06-27 |
| 4811262 | Distributed arithmetic realization of second-order normal-form digital filter | — | 1989-03-07 |
| 4809209 | Mybrid charge-transfer-device filter structure | — | 1989-02-28 |