Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4229214 | Process for combined production of ferrosilicozirconium and zirconium corundum | Boris A. Shushlebin, Nikolai P. Lyakishev, Viktor V. Tregubenko, Nikolai I. Subbotin | 1980-10-21 |