Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984682 | Color effect pigments and method of forming the same | Jack Polonka, Patrice Bujard, Fritz Herren | 2006-01-10 |
| 6369147 | Color effect pigments and method of forming the same | Jack Polonka, Patrice Bujard, Fritz Herren | 2002-04-09 |