Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8411053 | Dual pen interactive whiteboard system | Dana Doubrava, Mark E. Plasterer, Richard Wiley Prugh | 2013-04-02 |
| 6930673 | Collaborative input system | Stephen T. Kaye, Brad Eckert, Dana Doubrava, Wesley Jacobs | 2005-08-16 |