Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338322 | Process for converting heavy oil deposited on coal to distillable oil in a low severity process | Teresa Ignasiak, Otto P. Strausz, Jerzy S. Janiak, Wanda Pawlak, Kazimierz Szymocha +1 more | 1994-08-16 |