Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9594994 | Security element and method to inspect authenticity of a print | Gábor Kristó, Piroska Reményi | 2017-03-14 |
| 5769530 | Compact fluorescent lamp with extended legs for providing a cold spot | Erwin G. Steinbrenner | 1998-06-23 |
| 4410037 | Recuperator | — | 1983-10-18 |