Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4284123 | Arrangement for producing ingots of unalloyed and alloyed steels | Erwin Plockinger, Peter Machner | 1981-08-18 |
| 4265295 | Method of producing steel ingots | Erwin Plockinger, Peter Machner, Heimo Jager | 1981-05-05 |