Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6859170 | Extended kalman filter for autonomous satellite navigation system | Albert A. Chacos, Mark S. Asher, Dennis J. Duven, Thomas L. Kusterer, Richard C. Morgan | 2005-02-22 |
| 6721658 | Integrated navigation and communication system for use in distributed spacecraft systems | Patrick A. Stadter | 2004-04-13 |
| 6608589 | Autonomous satellite navigation system | Robert J. Heins, Albert A. Chacos, Lloyd A. Linstrom, Mark S. Asher, Dennis J. Duven +4 more | 2003-08-19 |
| 5594454 | Global positioning system (GPS) linked satellite and missile communication systems | Michael Boehme, Lloyd A. Linstrom, Thomas McKnight, Robert C. Moore, John R. Meyer +2 more | 1997-01-14 |
| 5157695 | Variable pulse rate circuit | Edwin E. Westerfield, Larry L. Warnke | 1992-10-20 |
| 4876659 | Pseudo-Random code generator for use with a global positioning system | Edwin E. Westerfield | 1989-10-24 |