Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE42095 | Method for transferring utility optical signals and optical-line network | Jan Koeppen, Guenter Neumann | 2011-02-01 |
| 6947668 | Method for transferring utility optical signals and optical-line network | Jan Koeppen, Guenter Neumann | 2005-09-20 |