Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452189 | Ammonium nickel sulfate crystals | Sergey Selin, Ilya Zwieback, Warren Ruderman | 2002-09-17 |
| 6369392 | Cerium doped crystals | Warren Ruderman, Ilya Zwieback | 2002-04-09 |