Ferrell; Barton G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ferrell; Barton G..The latest application filed is for "cost function for data transmission".
- Ferrell; Barton G. - Troy IL
- Ferrell; Barton G. - Tory IL
| Patent | Date |
|---|---|
| Generalized high performance navigation system Grant 8,296,051 - Cohen , et al. October 23, 2 | 2012-10-23 |
| Precise absolute time transfer from a satellite system Grant 8,179,312 - Cohen , et al. May 15, 2 | 2012-05-15 |
| LEO-based positioning system for indoor and stand-alone navigation Grant 8,160,576 - Whelan , et al. April 17, 2 | 2012-04-17 |
| Cost Function For Data Transmission App 20120072990 - Gutt; Gregory M. ; et al. | 2012-03-22 |
| Precise absolute time transfer from a satellite system Grant 8,035,558 - Cohen , et al. October 11, 2 | 2011-10-11 |
| Precise Absolute Time Transfer From A Satellite System App 20110148701 - Cohen; Clark E. ; et al. | 2011-06-23 |
| Internet hotspots localization using satellite systems Grant 7,952,518 - Whelan , et al. May 31, 2 | 2011-05-31 |
| Local clock frequency calibration using low earth orbit (LEO) satellites Grant 7,859,455 - Gutt , et al. December 28, 2 | 2010-12-28 |
| Leo-based Positioning System For Indoor And Stand-alone Navigation App 20100220007 - Whelan; David A. ; et al. | 2010-09-02 |
| Local Clock Frequency Calibration Using Low Earth Orbit (leo) Satellites App 20100171652 - Gutt; Gregory M. ; et al. | 2010-07-08 |
| Internet Hotspots Localization Using Satellite Systems App 20090315769 - Whelan; David A. ; et al. | 2009-12-24 |
| Precise Absolute Time Transfer From A Satellite System App 20090315764 - Cohen; Clark E. ; et al. | 2009-12-24 |
| Low earth orbit satellite data uplink Grant 7,583,225 - Cohen , et al. September 1, 2 | 2009-09-01 |
| Low earth orbit satellite providing navigation signals Grant 7,579,987 - Cohen , et al. August 25, 2 | 2009-08-25 |
| Localized jamming of navigation signals Grant 7,554,481 - Cohen , et al. June 30, 2 | 2009-06-30 |
| LEO-based positioning system for indoor and stand-alone navigation Grant 7,489,926 - Whelan , et al. February 10, 2 | 2009-02-10 |
| Localized Jamming Of Navigation Signals App 20080169958 - Cohen; Clark E. ; et al. | 2008-07-17 |
| Methods and apparatus for a navigation system with reduced susceptibility to interference and jamming Grant 7,372,400 - Cohen , et al. May 13, 2 | 2008-05-13 |
| Methods And Apparatus For A Navigation System With Reduced Susceptibility To Interference And Jamming App 20080062039 - Cohen; Clark E. ; et al. | 2008-03-13 |
| Generalized High Performance Navigation System App 20080059059 - Cohen; Clark E. ; et al. | 2008-03-06 |
| Low Earth Orbit Satellite Data Uplink App 20080001819 - Cohen; Clark E. ; et al. | 2008-01-03 |
| Low Earth Orbit Satellite Providing Navigation Signals App 20080001818 - Cohen; Clark E. ; et al. | 2008-01-03 |
| GPS access system and method Grant 7,042,392 - Whelan , et al. May 9, 2 | 2006-05-09 |
| LEO-based positioning system for indoor and stand-alone navigation App 20050156782 - Whelan, David A. ; et al. | 2005-07-21 |
| GPS access system and method App 20050004758 - Whelan, David A. ; et al. | 2005-01-06 |
| Near field RCS test facility and testing method Grant 5,534,873 - Weichman , et al. July 9, 1 | 1996-07-09 |
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