Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8518167 | Polish product free of volatile components | Robert Johannes Hijman, Peter Hotchkin, André Leonard Vermeulen | 2013-08-27 |
| 7229486 | Shoe and leather care product | Pieter-Jan Wiersema, Wilhelmus Franciscus Petrus Maria Boonman | 2007-06-12 |