Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6319422 | Environmentally safe snow and ice dissolving liquid | Peter Kardos, Tibor Kalman | 2001-11-20 |
| 4689165 | Heat transfer liquid | Peter Kardos, Tibor Kalman, Istvan Varnai | 1987-08-25 |