Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856026 | Data transmission system comprising smearing filters | Johannes W. M. Bergmans, Petrus J. Van Gerwen | 1989-08-08 |
| 4835765 | Arrangement for full-duplex data transmission over two-wire circuits | Johannes W. M. Bergmans, Petrus J. Van Gerwen | 1989-05-30 |
| 4807173 | Frequency-domain block-adaptive digital filter | Petrus C. W. Sommen, Petrus J. Van Gerwen, Hendrik J. Kotmans | 1989-02-21 |