Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879512 | Circuit for processing a pseudo-oscillatory signal, especially for inductive proximity detectors | Jean-Marie Periot, Pierre Petit | 1989-11-07 |
| 4857913 | Coded objects identifiable by proximity and devices for changing the codes of these objects | Jacques Lewiner, Claude Hennion | 1989-08-15 |