Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844831 | Use of metasilicate/silica combination granulate in detergent compositions for washing machines | Daniel Joubert | 1989-07-04 |
| 4832862 | Composite detergent particulates | Daniel Joubert | 1989-05-23 |