Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP8683 | "Elm tree named ""Cathedral""" | Donald T. Lester | 1994-04-12 |
| PP8684 | Elm tree named New Horizon | Raymond P. Guries | 1994-04-12 |
| PP6227 | Elm tree named Independence | Donald T. Lester | 1988-07-19 |
| PP5335 | Elm tree called Regal | Donald T. Lester | 1984-11-13 |