Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4611072 | Heat-sensitive recording material | Hermann Nachbur | 1986-09-09 |
| 4536779 | Heat-sensitive recording material | Hermann Nachbur | 1985-08-20 |
| 4453744 | Pressure-sensitive or heat-sensitive recording material | Albert Wurmli | 1984-06-12 |
| 4208370 | Process for agglomerating a substance from a liquid system | Roland Haberli, Hans Mollet | 1980-06-17 |