Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848981 | Method of improving the draining of water from textiles during a laundering operation | John D. Blizzard | 1989-07-18 |
| 4810253 | Method of improving the draining of water from textiles during a laundering operation | John D. Blizzard | 1989-03-07 |