Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP24008 | Hosta plant named ‘Volcano Island’ | — | 2013-10-29 |
| PP24009 | Hosta plant named ‘Ben Vernooij’ | — | 2013-10-29 |
| PP24001 | Hosta plant named ‘Forbidden Fruit’ | — | 2013-10-22 |
| PP23989 | Hosta plant named ‘Hands Up’ | — | 2013-10-15 |
| PP20798 | Hosta plant named ‘Paradise Island’ | — | 2010-03-02 |
| PP14621 | Ligularia plant named ‘Little Rocket’ | — | 2004-03-23 |
| PP12117 | Hosta plant named `Paradise Power` | — | 2001-10-02 |
| PP12119 | Hosta plant named `Paradise Joyce` | — | 2001-10-02 |