Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7962416 | Method and system to remotely enable software-based options for a trial period | Winnie C. Durbin, Kun Zhang, Karamjeet Singh, Thomas L. Lamoureux, Hubert A. Zettel +1 more | 2011-06-14 |
| 6609115 | Method and apparatus for limited online access to restricted documentation | Sunil Melepatt Palliyal, Hubert A. Zettel, Rick Frowein, Lawrence E. Ploetz | 2003-08-19 |