Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6004604 | Method of treating produce | Prindle Joyce, Keith E. Robert | 1999-12-21 |
| 5863584 | Method for treating produce and process water | Joyce Prindle, Robert E. Keith | 1999-01-26 |