Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7025794 | Anionic phthalic acid ester compounds and stain resistant compounds | Michael S. Williams | 2006-04-11 |
| 6860905 | Anionic phthalic acid ester compounds and stain resistant compositions | Michael S. Williams | 2005-03-01 |