Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9592954 | Package comprising feeding materials for cut flowers | Tjerk Pier Van Der Schaaf, Ewald Groenewoud | 2017-03-14 |
| 6345659 | Device for binding together one or more stalks | Willem Herman Molenaar, Joseph Anton Johannes Huijsmans, Ewald Groenewoud | 2002-02-12 |
| 6162273 | Floral foam for cut flowers | Herman Georges Marie Cours, Johannes A. Janssen, Joseph Anton Johannes Huijsmans | 2000-12-19 |