Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751898 | Electroluminescent display apparatus | George W. Heropoulos | 2004-06-22 |
| 6296373 | Incandescent lamp for use in a reflector | Imre Gal, Attila Gonda, Miklos Valovics | 2001-10-02 |
| 6205690 | Panels with animation and sound | George W. Heropoulos | 2001-03-27 |