Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676727 | Method of producing slow-release nitrogenous organic fertilizer from biomass | Jan Piskorz, Piotr Majerski | 1997-10-14 |
| 5605551 | Process for the thermal conversion of biomass to liquids | Donald S. Scott, Jan Piskorz, Piotr Majerski | 1997-02-25 |