Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765829 | Treating lead- and zinc-containing steelmaking byproducts | Franz Beckmann, Armand Wagner | 1988-08-23 |
| 4434368 | Method of measuring the reducing power of gases over the charge in a blast furnace | Jean Liesch, Nico Reiff, Vlasta Reimen, Arthur Schummer, Jo Simon +1 more | 1984-02-28 |