Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863620 | Acidic liquid fabric softener with yellow color that changes to blue upon dilution | — | 1989-09-05 |
| 4800026 | Curable amine functional silicone for fabric wrinkle reduction | Louis Fay Wong | 1989-01-24 |