Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863619 | Soil release polymer compositions having improved processability | Rodolfo Delgado, Toan Trinh | 1989-09-05 |
| 4849257 | Articles and methods for treating fabrics in dryer | Toan Trinh, Raymond Edward Bolich, Jr. | 1989-07-18 |