Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668573 | Management method for a man-machine interaction system | Jean-Jacques Favot, Jean-Noel Perbet, Patrick Lach | 1997-09-16 |
| 5661608 | Light box for optical valve | Patrick Lach | 1997-08-26 |