Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP10956 | Hop variety named `Columbus` | Gregory K. Lewis, Charles E. Zimmermann | 1999-06-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP10956 | Hop variety named `Columbus` | Gregory K. Lewis, Charles E. Zimmermann | 1999-06-15 |