Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8996424 | Computerized method and system for managing warranty services in a digital system or device | Erich Hindermeyer, Konrad Gierens, Thomas Speidel | 2015-03-31 |
| 7870376 | System, method and program product for controlling access to computer system | Konrad Gierens, Erich Hindermeyer, Thomas Speidel | 2011-01-11 |