Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5724644 | Method of and receiver for processing and reproducing a message | Heinz W. Wetsels, Frans A. Westra | 1998-03-03 |
| 5633940 | Audio amplifier arrangement | — | 1997-05-27 |
| 5245330 | Microprocessor-controlled apparatus with improved disabling | — | 1993-09-14 |
| 5048119 | Broadcast receiver for radio or television signals with storage and interchange of preset stations | — | 1991-09-10 |
| 4987594 | Stand-alone utility device with antitheft code with method for its use | — | 1991-01-22 |
| 4641367 | Receiver for FM signals with transmitter status code storage | Theodorus H. M. Van Deursen | 1987-02-03 |
| 4378604 | Receiver having a search tuning circuit | — | 1983-03-29 |
| 4377004 | Setting circuit | — | 1983-03-15 |