Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355235 | Devices for measuring parameters which can modify the charge of an electret | Jacques Lewiner, Gerard Dreyfus | 1982-10-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355235 | Devices for measuring parameters which can modify the charge of an electret | Jacques Lewiner, Gerard Dreyfus | 1982-10-19 |