Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877046 | Closing and injection valve especially for hot gas defrosting in freezing and cooling installations | Rolf Albrigtsen | 1989-10-31 |
| 4365485 | Arrangement in an ice machine | — | 1982-12-28 |