Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5120344 | Method for producing a barrier layer in soil | Oszkar Libor, Gabor Nagy, Tamas Szekely, Rudolf Mester, Kalman Kazareczki +3 more | 1992-06-09 |
| 4772307 | Process for preparing an agricultural fertilizer from sewage | Jeno Kiss, Bala Deak, Denes Kallo, Janos Papp, Agnes Meszaros nee Kis | 1988-09-20 |