Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4616933 | Process and apparatus for making a numerical determination of the color, or of a change in color, of an object | Jean-Luc Leveque | 1986-10-14 |
| 4483619 | Apparatus to register the quantity of sebum secreted by a skin | Jean-Luc Leveque | 1984-11-20 |
| 4480921 | Apparatus to register the quantity of sebum secreted by a skin | Jean-Luc Leveque | 1984-11-06 |
| 4392498 | Apparatus intended for classifying the quantity of a fatty product found on the skin surface | Jean-Luc Leveque | 1983-07-12 |
| 4297884 | Method of and apparatus for the measurement of at least one mechanical property of an elastic material | Jean-Luc Leveque, Laurent Rasseneur, Jean De Rigal | 1981-11-03 |