Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470804 | Scrap material preheating apparatus | Magnus Geijer | 1984-09-11 |
| 4471191 | Device for heating fluent material flowing past short-circuited heating elements within induction coils | Ingemar Greis | 1984-09-11 |