Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822854 | Cleaning compositions containing a colorant stabilized against fading | — | 1989-04-18 |
| 4803008 | Cleaning composition containing a colorant stabilized against fading | Shaun F. Clancy | 1989-02-07 |