Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355787 | Method of controlling the nozzle damper of a metallurgical vessel | Josef Lothmann, Ludwig Walther | 1982-10-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4355787 | Method of controlling the nozzle damper of a metallurgical vessel | Josef Lothmann, Ludwig Walther | 1982-10-26 |