Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4682608 | Apparatus for measuring viscoelastic properties of skin in vivo | Jean De Rigal, Jean-Luc Leveque, Marie-Jeanne Losch | 1987-07-28 |
| 4539320 | Humectant compositions containing thiamorpholinone or a derivative thereof | Gerard Lang, Jean Maignan, Jean-Luc Leveque | 1985-09-03 |
| 4483983 | Substituted derivatives of thiamorpholinone | Gerard Lang, Jean Maignan, Jean-Luc Leveque | 1984-11-20 |
| 4297884 | Method of and apparatus for the measurement of at least one mechanical property of an elastic material | Jean-Luc Leveque, Jean De Rigal, Gilbert Gras | 1981-11-03 |