Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202131 | Apparatus for making metal powder, with a supply tank, a pouring ladle and a fall shaft | Franz Hohne, Wolfgang Schwarz | 1993-04-13 |
| 4993690 | Electroslag remelting plant including an ingot mold and a hood | Otto W. Stenzel, Wolfram Diemar, Heiko Spengemann, Heinz Kohnert, Helmut Grof | 1991-02-19 |