Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11637445 | Method for operating an electric island power network | Christian Olenberger, Björn Häckel, Michael Raila | 2023-04-25 |
| 6196834 | Oxy-fuel ignitor | — | 2001-03-06 |
| 4914691 | Telephone dialing arrangement | — | 1990-04-03 |