Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604718 | Timepiece Comprising an electro-acoustic transducer | Jacques Labourey, Michel Christen | 1997-02-18 |
| 5598380 | Composite wall, notably motor vehicle windshield, including an ultrasonic device for detecting the presence of foreign bodies on one of its faces | Eric Saurer, Roland Jeanmonod | 1997-01-28 |