Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7678302 | Method and apparatus for making porous agarose beads | Kwok-Shun Cheng, Senthilkumar Ramaswamy, Brian Gagnon, Joaquin Umana, Neil Soice | 2010-03-16 |
| 7649031 | Modified pigments having improved dispersion properties | Joseph E. Johnson, Collin P. Galloway | 2010-01-19 |
| 7056962 | Modified pigments having improved dispersing properties | Joseph E. Johnson, Collin P. Galloway | 2006-06-06 |
| 6478863 | Modified pigments having improved dispersing properties | Joseph E. Johnson, Collin P. Galloway | 2002-11-12 |
| 6432194 | Method of attaching a group to a pigment | Joseph E. Johnson, Collin P. Galloway | 2002-08-13 |
| 6336965 | Modified pigments having improved dispersing properties | Joseph E. Johnson, Collin P. Galloway | 2002-01-08 |