Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP19922 | Willow oak tree named ‘QPSTJ’ | — | 2009-04-14 |
| PP19854 | Oak tree named ‘QSSTH’ | — | 2009-03-24 |
| PP19858 | Oak tree named ‘QNSTG’ | — | 2009-03-24 |
| PP18321 | Willow oak tree named ‘QPSTB’ | — | 2007-12-18 |
| PP16401 | Oak tree named ‘QNSTC’ | — | 2006-04-04 |
| PP16254 | Oak tree named ‘QNSTD’ | — | 2006-02-14 |
| PP13677 | Willow oak tree named ‘QPSTA’ | — | 2003-03-25 |
| PP11391 | Black tupelo named `NXSXF` | — | 2000-05-23 |
| PP9576 | Trident maple tree named `Abtir` | — | 1996-06-11 |
| PP7551 | Chinese elm tree named `Emer I` | — | 1991-06-11 |
| PP7552 | Chinese elm tree named `Emer II` | John Barbour, Michael A. Dirr | 1991-06-11 |