Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7045964 | Emergency lighting system with automatic diagnostic test | — | 2006-05-16 |
| 5221919 | Room occupancy sensor, lens and method of lens fabrication | — | 1993-06-22 |
| 4874962 | Low power, leakage current switching circuit | — | 1989-10-17 |
| D298149 | Combined puzzle and holder therefor | Guillaume Hermans, Rene Hermans, Harry Brusselaers | 1988-10-18 |
| 4328955 | Defensive personnel barrier | — | 1982-05-11 |