Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP28336 | Pear tree named ‘HW624’ | — | 2017-08-29 |
| PP17843 | Pear tree named ‘HW610’ | Frank Kappel, Harvey Allen Quamme, William Gordon Bonn | 2007-07-03 |
| PP16124 | ‘HW616’ Pear | Frank Kappel, Harvey Allen Quamme, William Gordon Bonn | 2005-11-22 |
| PP9863 | `Harrow Sweet` pear | Frank Kappel, Richard Layne, Harvey Allen Quamme | 1997-04-22 |