Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472455 | Ink composition comprising first and second optically variable pigments | Anton Bleikolm, Edgar Müller | 2002-10-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472455 | Ink composition comprising first and second optically variable pigments | Anton Bleikolm, Edgar Müller | 2002-10-29 |