Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP9909 | Strawberry plant named `PS-1031` | Stephen M. Ackerman, Steven D. Nelson, Michael D. Nelson, Peter Salm | 1997-06-03 |
| PP9902 | Strawberry plant named PS-776 | Stephen M. Ackerman, Steven D. Nelson, Michael D. Nelson, Peter Salm | 1997-05-27 |
| PP9903 | Strawberry plant named `PS-592` | Stephen M. Ackerman, Steven D. Nelson, Michael D. Nelson, Peter Salm | 1997-05-27 |
| PP8346 | Strawberry plant named `PSI 308` | Michael D. Nelson, Steven D. Nelson | 1993-08-17 |
| PP8205 | Strawberry plant named `PSI-.118` | Steven D. Nelson, Michael D. Nelson | 1993-04-20 |
| PP8086 | Strawberry plant named `PSI-130` | Steven D. Nelson, Michael D. Nelson | 1993-01-05 |