Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7500109 | System and method for secure authentication of external software modules provided by third parties | Stefan Nusser, Jeffrey Bruce Lotspiech | 2009-03-03 |
| 7487128 | Updating usage conditions in lieu of download digital rights management protected content | Richard L. Spagna, Marco M. Hurtado, Ting Zhao | 2009-02-03 |
| 7110984 | Updating usage conditions in lieu of download digital rights management protected content | Richard L. Spagna, Marco M. Hurtado, Ting Zhao | 2006-09-19 |
| 6978375 | System and method for secure authentication of external software modules provided by third parties | Stefan Nusser, Jeffrey Bruce Lotspiech | 2005-12-20 |
| 6859791 | Method for determining internet users geographic region | Richard L. Spagna, Jeremy Rodgers, Arthur R. Best, II | 2005-02-22 |