Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP8874 | Aster plant named Dark Blue Butterfly | Petrus J. Akerboom | 1994-08-30 |
| PP8875 | Aster plant named Casablanca | Petrus J. Akerboom | 1994-08-30 |
| PP7397 | Aster plant named White Butterfly | Petrus J. Akerboom | 1990-12-18 |
| PP7399 | Aster plant named Blue Butterfly | Petrus J. Akerboom | 1990-12-18 |
| PP7400 | Aster plant named Rose Butterfly | Petrus J. Akerboom | 1990-12-18 |
| PP7401 | Aster plant named Pink Butterfly | Petrus J. Akerboom | 1990-12-18 |