Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359726 | Composite sheets constituting electromechanical transducers and transducers equipped with such sheets | Claude Hennion | 1982-11-16 |
| 4355235 | Devices for measuring parameters which can modify the charge of an electret | Gerard Dreyfus, Didier Perino | 1982-10-19 |
| 4340925 | Safety locks | Claude Hennion | 1982-07-20 |