Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855072 | Liquid fabric softener | Toan Trinh, Donald M. Swartley, Ronald L. Hemingway | 1989-08-08 |
| 4844820 | Liquid fabric softener comprising light-unstable red dye in protective package | Heidi Piper, Aivars I. Vimba | 1989-07-04 |
| 4822499 | Liquid fabric softener with stable non-staining pink color | Aivars I. Vimba | 1989-04-18 |