Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807815 | Air-jet mill and associated pregrinding apparatus for comminuating solid materials | Zsolt Csillag, Geza Szentgyorgyi, Karoly Solymar, Tibbr Kalman, Pal Toth +10 more | 1989-02-28 |