Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5807625 | Security document with reversibly photochromic printing inks | Albert Amon, Anton Bleikolm | 1998-09-15 |
| 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 |
| RE34389 | Security document printing ink | Albert Amon, Anton Bleikolm, Pierre Degott, Olivier Rozumek | 1993-09-28 |
| 4966628 | Security document printing ink | Albert Amon, Anton Bleikolm, Pierre Degott, Olivier Rozumek | 1990-10-30 |
| 4756759 | Printing ink in dry, powdered form | Albert Amon | 1988-07-12 |
| 4420515 | Metallization process for protecting documents of value | Maurice A. Amon | 1983-12-13 |