Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8296051 | Generalized high performance navigation system | Clark E. Cohen, David A. Whelan, Robert W. Brumley, Gregory M. Gutt | 2012-10-23 |
| 8179312 | Precise absolute time transfer from a satellite system | Clark E. Cohen, David A. Whelan, Robert W. Brumley, Gregory M. Gutt | 2012-05-15 |
| 8160576 | LEO-based positioning system for indoor and stand-alone navigation | David A. Whelan, Clark E. Cohen, Greg Gutt | 2012-04-17 |
| 8035558 | Precise absolute time transfer from a satellite system | Clark E. Cohen, David A. Whelan, Robert W. Brumley, Gregory M. Gutt | 2011-10-11 |
| 7952518 | Internet hotspots localization using satellite systems | David A. Whelan, Robert W. Brumley, Gregory M. Gutt | 2011-05-31 |
| 7859455 | Local clock frequency calibration using low earth orbit (LEO) satellites | Gregory M. Gutt, David A. Whelan, Robert W. Brumley, Christopher J. Martens, Anne T. Haddad | 2010-12-28 |
| 7583225 | Low earth orbit satellite data uplink | Clark E. Cohen, David A. Whelan, Robert W. Brumley, Gregory M. Gutt | 2009-09-01 |
| 7579987 | Low earth orbit satellite providing navigation signals | Clark E. Cohen, David A. Whelan, Robert W. Brumley, Gregory M. Gutt | 2009-08-25 |
| 7554481 | Localized jamming of navigation signals | Clark E. Cohen, David A. Whelan, Robert W. Brumley, Gregory M. Gutt | 2009-06-30 |
| 7489926 | LEO-based positioning system for indoor and stand-alone navigation | David A. Whelan, Clark E. Cohen, Greg Gutt | 2009-02-10 |
| 7372400 | Methods and apparatus for a navigation system with reduced susceptibility to interference and jamming | Clark E. Cohen, Robert W. Brumley, Mark L. Psiaki, Gregory M. Gutt, William J. Bencze +2 more | 2008-05-13 |
| 7042392 | GPS access system and method | David A. Whelan, Gregory M. Gutt, Clark E. Cohen | 2006-05-09 |
| 5534873 | Near field RCS test facility and testing method | Alan R. Weichman, William G. Butters, Gregory Murden, Phillip D. Alldredge, L. Adam Latham +2 more | 1996-07-09 |