Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845476 | Proximity detector between a metallic mass and an element to which is applied an electric voltage | Gilbert Rangeard, Jean-Claude Garnier | 1989-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845476 | Proximity detector between a metallic mass and an element to which is applied an electric voltage | Gilbert Rangeard, Jean-Claude Garnier | 1989-07-04 |