Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131167 | Method and apparatus for drying transformer parts | Josef Bachmann | 1992-07-21 |
| 4993690 | Electroslag remelting plant including an ingot mold and a hood | Otto W. Stenzel, Heiko Spengemann, Heinz Kohnert, Leo Emiljanow, Helmut Grof | 1991-02-19 |