Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP13916 | Spiraea plant named ‘Flowering Choice’ | — | 2003-06-24 |
| PP13665 | Spiraea plant named ‘Sparkling Carpet’ | — | 2003-03-18 |
| PP13615 | Spiraea plant named ‘Golden Carpet’ | — | 2003-03-04 |
| PP13622 | Spiraea plant named ‘Green Carpet’ | — | 2003-03-04 |
| PP11929 | Rudbeckia plant named `Pot Of Gold` | — | 2001-06-19 |
| PP7283 | "Primocane raspberry named ""Per Hub""" | — | 1990-07-31 |
| PP7251 | "Thornless blackberry named ""Per Can""" | — | 1990-06-19 |
| PP5834 | Spiraea.times.Bumalda cv. Monhub` | — | 1986-12-16 |