Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834707 | Method and apparatus for the continuous production of cast or remelted billets using an electroslag method | Wolfgang Holzgruber, Bertram Ofner | 2004-12-28 |
| 6758259 | Method and arangement for producing casting moulds from metal | Wolfgang Holzgruber | 2004-07-06 |