Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737879 | Redundant digital distance relay | Gert Apell, Nils G. L. Brandt | 1988-04-12 |
| 4562053 | Process of cleaning flue gases from heating plants | — | 1985-12-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737879 | Redundant digital distance relay | Gert Apell, Nils G. L. Brandt | 1988-04-12 |
| 4562053 | Process of cleaning flue gases from heating plants | — | 1985-12-31 |