Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695675 | Arrangement and method for connection of a stopper rod for a metallurgical vessel to a lifting device | — | 1997-12-09 |
| 5681497 | Arrangement for connecting a stopper rod for a metallurgical vessel with a lifting device, suitable stopper rod for the arrangement and process for producing the arrangement | — | 1997-10-28 |