Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7264767 | Method and device for reducing the oxygen content of a copper melt | Alexander Khoury, Stefan Schneider | 2007-09-04 |
| 4615351 | Method of and apparatus for monitoring the surface level of material in a vessel | Rudiger Naaf, Rolf Christ | 1986-10-07 |