Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905272 | PABX cordless telephone system | Petrus P. Van de Mortel | 1990-02-27 |
| 4189669 | Circuit arrangement for generating a pulse-width modulated signal | Engbert Bernard Gerard Nijhof | 1980-02-19 |