Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873016 | Enzymatic detergent composition | David Thom, Jan Maat | 1989-10-10 |
| 4824599 | Enzymatic detergent composition | Hendrik E. de Jong, Johan Haverkamp | 1989-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873016 | Enzymatic detergent composition | David Thom, Jan Maat | 1989-10-10 |
| 4824599 | Enzymatic detergent composition | Hendrik E. de Jong, Johan Haverkamp | 1989-04-25 |