Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4296801 | Reusable heat devices containing xylitol as the heat-storage material | Woldemar Guex, Horst Pauling, Felix Voirol | 1981-10-27 |
| 4295517 | Reusable heat devices containing xylitol as the heat-storage material | Woldemar Guex, Horst Pauling, Felix Voirol | 1981-10-20 |
| 4254100 | Vitamin A compositions | Hans E. Keller | 1981-03-03 |