Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4220677 | Polycrystalline superhard material and method of producing thereof | Dmitry V. Fedoseev, Boris V. Deryagin, Valentin N. Bakul, Alexei I. Prikhna, Valentin K. Gerasimenko +3 more | 1980-09-02 |