Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767397 | Methods for production of pigment dispersion | Michael L. Lewis, Pat Galioto | 2004-07-27 |
| 6530989 | Methods for production of organic pigments for printing inks | Michael L. Lewis, Anthony C. Maliyackel, Alan Gregory, Sanjoy Ganguly, Allen Bauer | 2003-03-11 |
| 4793863 | High strength pigments for printing inks | Susan T. Soward, Wilmeth M. Smoot | 1988-12-27 |