Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658964 | Highly reactive printing inks | Philippe Amon, Anton Bleikolm, Olivier Rozumek, Pierre Degott | 1997-08-19 |
| 5630869 | Reversibly photochromic printing inks | Albert Amon, Anton Bleikolm | 1997-05-20 |