Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359726 | Composite sheets constituting electromechanical transducers and transducers equipped with such sheets | Jacques Lewiner | 1982-11-16 |
| 4340925 | Safety locks | Jacques Lewiner | 1982-07-20 |