Issued Patents All Time
Showing 76–100 of 126 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411899 | Position based personal digital assistant | William O. Dussell, John F. Schipper, David J. Cowl | 2002-06-25 |
| 6405126 | Pre-programmed destinations for in-vehicle navigation | John Palomo | 2002-06-11 |
| 6385532 | Accurate vehicle navigation | Scott Dance | 2002-05-07 |
| 6353796 | Vehicle tracker, mileage-time monitor and calibrator | John F. Schipper, Eric B. Rodal, David J. Cowl | 2002-03-05 |
| 6268804 | Dynamic monitoring of vehicle separation | Derek Steven Smith, John F. Schipper | 2001-07-31 |
| 6266612 | Position based personal digital assistant | William O. Dussell, John F. Schipper, David J. Cowl | 2001-07-24 |
| 6230097 | Accurate vehicle navigation | Scott Dance | 2001-05-08 |
| 6198432 | Method and apparatus for automatic and autonomous assignment of PRN codes to a multiplicity of pseudolites | — | 2001-03-06 |
| 6184801 | Clandestine location reporting for missing vehicles | — | 2001-02-06 |
| 6181253 | Flexible monitoring of location and motion | Ralph F. Eschenbach | 2001-01-30 |
| 6166626 | Clandestine missing vehicle location reporting using cellular channels | Hamid Najafi, John F. Schipper | 2000-12-26 |
| 6147598 | Vehicle theft system including a handheld computing device | Michael D. Murphy | 2000-11-14 |
| 6141610 | Automated vehicle monitoring system | Mary F. Rothert | 2000-10-31 |
| 6128337 | Multipath signal discrimination | John F. Schipper | 2000-10-03 |
| 6092193 | Authentication of accumulated instrument data | Peter Van Wyck Loomis, David R. Gildea, John F. Schipper | 2000-07-18 |
| 6088650 | Vehicle tracker, mileage-time monitor and calibrator | John F. Schipper, Eric B. Rodal, David J. Cowl | 2000-07-11 |
| 6067031 | Dynamic monitoring of vehicle separation | Derek Steven Smith, John F. Schipper | 2000-05-23 |
| 6052181 | Multiple simultaneous laser-reference control system for construction equipment | Kurtis L. Maynard | 2000-04-18 |
| 6046687 | Clandsetine location reporting for missing vehicles | — | 2000-04-04 |
| 6038444 | Method and apparatus for advising cellphone users of possible actions to avoid dropped calls | John F. Schipper, Hamid Najafi | 2000-03-14 |
| 5987378 | Vehicle tracker mileage-time monitor and calibrator | John F. Schipper, Eric B. Rodal, David J. Cowl | 1999-11-16 |
| 5969595 | Security for transport vehicles and cargo | John F. Schipper, James Jones | 1999-10-19 |
| 5960337 | Method for responding to an emergency event | Beth S. Brewster, John F. Schipper | 1999-09-28 |
| 5938721 | Position based personal digital assistant | William O. Dussell, John F. Schipper, David J. Cowl | 1999-08-17 |
| 5936572 | Portable hybrid location determination system | Peter Van Wyck Loomis, John F. Schipper | 1999-08-10 |