Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP21774 | Heuchera plant named ‘Big Top Burgundy’ | Teunis Johannes Pronk | 2011-03-08 |
| PP21775 | Heuchera plant named ‘Big Top Gold’ | Teunis Johannes Pronk | 2011-03-08 |
| PP21776 | Heuchera plant named ‘Big Top Bronze’ | Teunis Johannes Pronk | 2011-03-08 |