Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857685 | Microwave oven with improved humidity sensing means | Liliana Vigano, Franciscus Kokkeler | 1989-08-15 |
| 4841111 | Microwave oven with improved defrosting mode | Franciscus Kokkeler, Per Olov Risman, Liliana Vigano, Mats Idebro | 1989-06-20 |