Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860156 | Overvoltage protective circuit | Allan Akerstedt | 1989-08-22 |
| D301960 | Processing plant for preparation of food and pharmaceutical products | — | 1989-07-04 |
| D301822 | Processing plant for preparation of food and pharmaceutical products | Lennart Wahlstrom | 1989-06-27 |
| D301823 | Processing plant for preparation of food and pharmaceutical products | Lennart Wahlstrom | 1989-06-27 |
| 4816231 | Heat treating cassette for a conveyor apparatus | Lennart Wahlstrom, Bjorn LINDSTROM | 1989-03-28 |
| 4808783 | Heat stable microwave energy sterilization method | — | 1989-02-28 |