Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336306 | Water soluble coloring compositions containing sparkle components | Cleveland L. Hughes, Timothy N. Williams | 1994-08-09 |
| 4859242 | Water soluble coloring compositions containing sparkle components | Cleveland L. Hughes, Timothy N. Williams | 1989-08-22 |
| 4840669 | Water soluble coloring compositions containing sparkle components | Cleveland L. Hughes, Timothy N. Williams | 1989-06-20 |
| 4840670 | Water soluble coloring compositions containing sparkle components | Cleveland L. Hughes, Timothy N. Williams | 1989-06-20 |