Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919795 | Method and apparatus for keeping a check on the storage time for goods in a storage | — | 2005-07-19 |
| 6585781 | Laundry washing machine with steam drying | — | 2003-07-01 |
| 5473901 | Insulation for refrigerators and freezers | — | 1995-12-12 |
| 5361598 | Refrigerator or freezer walls | — | 1994-11-08 |
| 4289112 | Heat storing solar collector device | — | 1981-09-15 |
| 4227511 | Solar collector apparatus | Peter H. E. Margen, Heimo Zinko | 1980-10-14 |