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Patent applications and USPTO patent grants for Virtual Geosatellite Holdings, Inc..The latest application filed is for "fixed satellite constellation system employing non-geostationary satellites in sub-geosynchronous elliptical orbits with common ground tracks".
Patent | Date |
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Fixed satellite constellation system employing non-geostationary satellites in sub-geosynchronous elliptical orbits with common ground tracks Grant 6,954,613 - Castiel , et al. October 11, 2 | 2005-10-11 |
Elliptical satellite system which emulates the characteristics of geosynchronous satellites Grant 6,611,683 - Castiel , et al. August 26, 2 | 2003-08-26 |
Fixed satellite constellation system employing non-geostationary satellites in sub-geosynchronous elliptical orbits with common ground tracks App 20020160710 - Castiel, David ;   et al. | 2002-10-31 |
Ellipitical satellite system which emulates the characteristics of geosychronous satellites Grant 5,957,409 - Castiel , et al. September 28, 1 | 1999-09-28 |
Elliptical satellite system which emulates the characteristics of geosynchronous satellites Grant 5,845,206 - Castiel , et al. December 1, 1 | 1998-12-01 |
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