Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8264507 | Gray scale drive sequences for pulse width modulated displays | Edwin Lyle Hudson | 2012-09-11 |
| 8111271 | Gray scale drive sequences for pulse width modulated displays | Edwin Lyle Hudson | 2012-02-07 |
| 6411899 | Position based personal digital assistant | William O. Dussell, James M. Janky, John F. Schipper | 2002-06-25 |
| 6353796 | Vehicle tracker, mileage-time monitor and calibrator | John F. Schipper, Eric B. Rodal, James M. Janky | 2002-03-05 |
| 6266612 | Position based personal digital assistant | William O. Dussell, James M. Janky, John F. Schipper | 2001-07-24 |
| 6088650 | Vehicle tracker, mileage-time monitor and calibrator | John F. Schipper, Eric B. Rodal, James M. Janky | 2000-07-11 |
| 5987378 | Vehicle tracker mileage-time monitor and calibrator | John F. Schipper, Eric B. Rodal, James M. Janky | 1999-11-16 |
| 5938721 | Position based personal digital assistant | William O. Dussell, James M. Janky, John F. Schipper | 1999-08-17 |