Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5832698 | Method of manufacturing a flexible package comprising a pouring channel, and package obtained by the method | — | 1998-11-10 |
| 4355380 | Electronic timepiece with auxiliary digital display | Jean-Pierre Wattenhofer | 1982-10-19 |
| 4248503 | Electrochromic display device | — | 1981-02-03 |
| 4237460 | Electro-optic display device | — | 1980-12-02 |