Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313193 | Object-marking means, method for making such means and reading device | Jean-Claude Dubois | 1994-05-17 |
| 5294841 | Method of shifting the phase of an electrical signal and a phase-shifter based on this method | — | 1994-03-15 |