Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447554 | Reactive dye compounds | Earl David Brock, David Malcolm Lewis | 2002-09-10 |
| 6398822 | Packaged hair coloring composition | Earl David Brock, Heather Holden Harper | 2002-06-04 |
| 6350862 | Reactive dye compounds | Earl David Brock, David Malcolm Lewis | 2002-02-26 |