Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706192 | Purification process | Vilmos Keri, Arvai Nagyne, Lajos Deak, Gyorgyne Mako | 2004-03-16 |
| 6423233 | Purification process | Vilmos Keri, Arvai Nagyne, Lajos Deak, Gyorgyne Mako | 2002-07-23 |