Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP34567 | Hydrangea plant named ‘LISSJUDY’ | — | 2022-09-13 |
| PP25581 | Perovskia plant named ‘Lissvery’ | — | 2015-05-26 |
| PP22474 | Caryopteris plant named ‘LISSILV’ | — | 2012-01-31 |
| PP22175 | Caryopteris plant named ‘Gold Giant’ | — | 2011-10-04 |
| PP20845 | Perovskia plant named ‘LISSLITT’ | — | 2010-03-16 |
| PP20608 | Caryopteris plant named ‘LISAURA’ | — | 2009-12-22 |
| PP19269 | Ceratostigma plant named ‘My Love’ | — | 2008-09-23 |
| PP18402 | Oenothera plant named ‘LISHAL’ | — | 2008-01-08 |
| PP13609 | Spirea plant named ‘White Gold’ | — | 2003-02-25 |
| PP11958 | Caryopteris plant named `First Choice` | — | 2001-06-26 |
| PP7537 | Spirea japonica -- LISP variety | — | 1991-05-28 |