Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415142 | Apparatus for handling converter gas | Karl-Rudolf Hegemann, Helmut Weissert | 1983-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415142 | Apparatus for handling converter gas | Karl-Rudolf Hegemann, Helmut Weissert | 1983-11-15 |