Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D259894 | Lighter | Jean-Michel Collaud, Albert Girella, Maurice Herren, Niklaus Muller | 1981-07-14 |
| 4207032 | Gas-fired cigarette lighter | Jean-Michel Collaud, Albert Girella, Maurice Herren, Niklaus Muller | 1980-06-10 |