Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10492004 | Audio system | — | 2019-11-26 |
| 7754808 | Fire-resistant rubber composition and hose | — | 2010-07-13 |
| 5735698 | Connector for mounting an electrical component | Jan Bakker | 1998-04-07 |
| 4811288 | Data security device for protecting stored data | Theodoor A. Kleijne, Johannes A. J. de Bruin | 1989-03-07 |
| 4691350 | Security device for stored sensitive data | Theodoor A. Kleijne | 1987-09-01 |
| 4524487 | Apparatus for the automatic stunning of slaughter cattle | — | 1985-06-25 |