Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4643768 | Inoculant alloy based on ferrosilicon or silicon and process for its preparation | Friedrich Wolfsgruber, Ernst A. Weiser | 1987-02-17 |
| 4581203 | Process for the manufacture of ferrosilicon or silicon alloys containing strontium | — | 1986-04-08 |