Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889538 | Coal agglomeration beneficiation with heavy hydrocarbon oils and utilization thereof in coal/heavy oil coprocessing | Josef A. Mikhlin, deceased, Michio Ikura, C. Edward Capes | 1989-12-26 |