Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601703 | Flotation machine and process for removing impurities from coals | Kazimierz Szymocha, Boleslaw Ignasiak, Conrad J. Kulik, Howard E. Lebowitz | 1997-02-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601703 | Flotation machine and process for removing impurities from coals | Kazimierz Szymocha, Boleslaw Ignasiak, Conrad J. Kulik, Howard E. Lebowitz | 1997-02-11 |