Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245115 | Method of treating a textile | Adrianus Cornelius Maria Appel, Ronald Hage | 2001-06-12 |
| 6242409 | Composition and method for bleaching a substrate | Adrianus Appel, Ronald Hage | 2001-06-05 |