Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071566 | Process for the separation of solid phase from liquid substance, particularly for waste water purification | Endre Papp, Istvan Papp, Lajos L. Szabo, Sr., Istvan Apro, Gyula Czepek +4 more | 1991-12-10 |