Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7385593 | Generating and validating pixel coordinates of a touch screen display | Jeffrey J. DeGroot | 2008-06-10 |
| 7202858 | Processing analog to digital converter signals to a touch screen display | Jeffrey J. DeGroot | 2007-04-10 |
| 7158121 | Enhanced touch-screen display system | Jeffrey J. DeGroot | 2007-01-02 |
| 7088346 | Detecting a ‘no touch’ state of a touch screen display | Jeffrey J. DeGroot | 2006-08-08 |