Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168642 | Industrial utilization of garbage with effective recycling and with optimization in energy production | George N. Valkanas | 2001-01-02 |
| 5766476 | Method for cleaning contaminated water | George N. Valkanas | 1998-06-16 |
| 5766895 | Method for production of ethyl alcohol | George N. Valkanas, Nicolas P. Valkanas, Athanassios G. Theodoropoulos | 1998-06-16 |