Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251691 | Device for the indirect heating of air | Per Harald Collin | 1993-10-12 |
| 5241825 | Process for generating electric power | Per Harald Collin | 1993-09-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251691 | Device for the indirect heating of air | Per Harald Collin | 1993-10-12 |
| 5241825 | Process for generating electric power | Per Harald Collin | 1993-09-07 |