Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411899 | Position based personal digital assistant | James M. Janky, John F. Schipper, David J. Cowl | 2002-06-25 |
| 6266612 | Position based personal digital assistant | James M. Janky, John F. Schipper, David J. Cowl | 2001-07-24 |
| 5938721 | Position based personal digital assistant | James M. Janky, John F. Schipper, David J. Cowl | 1999-08-17 |
| 5633799 | Combined PC/104 and satellite positioning system | — | 1997-05-27 |