Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42069 | Telecommunications system with a switching facility and a data concentrator for providing access to the internet | Karl Rothenhofer, Gunther Konig | 2011-01-25 |
| 6687258 | Telecommunications system with a switching facility and a data concentrator for providing access to the internet | Karl Rothenhofer, Gunther Konig | 2004-02-03 |