Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855889 | High-tension generator circuit with very low current consumption | Michele Blanchot, Rein Andre Roos | 1989-08-08 |
| 4698586 | Electric particle detector for the detection of fire | Andre Roos, Max Goldman, Alice Goldman | 1987-10-06 |