Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |