Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4612044 | Method of vacuum treating metal melts, and vessel for use in the method | Horst Kutscher | 1986-09-16 |
| 4295667 | Rotary pipe switch | Hans-Jurgen Wahle | 1981-10-20 |
| 4199350 | Method for the production of quality steels | Horst Kutscher | 1980-04-22 |