Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5060834 | Wristlet of plastic material | Jacques Cognard | 1991-10-29 |
| 4392720 | Electrochromic display cell | Yves Ruedin, Michel Sallin | 1983-07-12 |
| 4307181 | Masking agent for the deposition of a material and method for such a deposition using this masking agent | Jacques Cognard, Yves Ruedin | 1981-12-22 |