Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4416723 | Method for producing sapphire tubes | Boris B. Pelts, Beniamin A. Tumasian, Leonid P. Egorov, Lev M. Zatulovsky, Efim A. Freiman +4 more | 1983-11-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4416723 | Method for producing sapphire tubes | Boris B. Pelts, Beniamin A. Tumasian, Leonid P. Egorov, Lev M. Zatulovsky, Efim A. Freiman +4 more | 1983-11-22 |