Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880212 | Device for detecting the level of the slag in a metal pool | Lars Ericsson, Rudolf Wiklund | 1989-11-14 |
| 4354382 | Device for determining the level of melt in a ladle or the like | — | 1982-10-19 |