Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869207 | Circulating fluidized bed reactor | Folke Engstrom | 1989-09-26 |
| 4864944 | Fluidized bed reactor | Folke Engstrom, Reijo Kuivalainen | 1989-09-12 |
| 4827723 | Integrated gas turbine power generation system and process | Folke Engstrom | 1989-05-09 |