Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7962413 | End-user system of preventing unauthorized rerecording of multimedia content | Michael G. Lisanke, Kenneth L. Milsted, Stefan Nusser, George William Wilhelm, Jr. | 2011-06-14 |
| 7383228 | Method and system for preventing unauthorized rerecording of multimedia content | Michael G. Lisanke, Kenneth L. Milsted, Stefan Nusser, George William Wilhelm, Jr. | 2008-06-03 |
| 7346580 | Method and system of preventing unauthorized rerecording of multimedia content | Michael G. Lisanke, Kenneth L. Milsted, Stefan Nusser, George William Wilhelm, Jr. | 2008-03-18 |