Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620235 | Pigment compositions and process of shading | Ian William Knowles, Kjell Erik Kumlin | 2003-09-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620235 | Pigment compositions and process of shading | Ian William Knowles, Kjell Erik Kumlin | 2003-09-16 |