Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321077 | Method of preparation of multicomponent fertilizers | Jerzy Schroeder, Mieczyslaw Lewandowski, Adam Pawelczyk, Antoni Kuzko | 1982-03-23 |
| 4301130 | Method of washing waste phosphogypsum | Jeizy Schroeder, Mieczyslaw Lewandowski, Antoni Kuzko, Krzysztof Zielinski, Tadeusz Pozniak +4 more | 1981-11-17 |