Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869093 | Methods and apparatus for determining sorption isotherms | — | 1989-09-26 |
| 4855153 | Prolonging the shelf life of fresh root vegetables | Avigdor Orr, John O. Spingler | 1989-08-08 |
| 4808420 | Fresh root vegetables with prolonged shelf life | John O. Springler, Avigdor Orr | 1989-02-28 |