Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7526306 | Push to talk user interface | David Schumann, Tony Lee, Rory O'Neill | 2009-04-28 |
| 7454177 | Wireless communication device with enhanced feature set | David Schumann | 2008-11-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7526306 | Push to talk user interface | David Schumann, Tony Lee, Rory O'Neill | 2009-04-28 |
| 7454177 | Wireless communication device with enhanced feature set | David Schumann | 2008-11-18 |