Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857344 | Method for treating pineapple to inhibit browning | Wilfred H. Schnitzler | 1989-08-15 |
| 4834790 | Method of treating pineapples to inhibit opening of the pineapple flowers | Wilfred H. Schnitzler | 1989-05-30 |