Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658359 | Method of operating a fluidized bed reactor system, and system for cleaning gas cooler | Eero Berg, Charles M. Davis, Juha Palonen | 1997-08-19 |
| 5626088 | Method and apparatus for utilizing biofuel or waste material in energy production | Matti Hiltunen | 1997-05-06 |