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Patent applications and USPTO patent grants for Friedrich; Douglas W..The latest application filed is for "system and method for using parabolic models to improve position estimates from a global positioning system".
Patent | Date |
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System and method for using parabolic models to improve position estimates from a global positioning system Grant 5,629,855 - Kyrtsos , et al. May 13, 1 | 1997-05-13 |
System and method for providing accurate vehicle positioning using spatial bias techniques Grant 5,555,503 - Kyrtsos , et al. September 10, 1 | 1996-09-10 |
Vehicle position determination system and method Grant 5,438,517 - Sennott , et al. August 1, 1 | 1995-08-01 |
Vehicle position determination system and method Grant 5,390,125 - Sennott , et al. February 14, 1 | 1995-02-14 |
Vehicle position determination system and method Grant 5,375,059 - Kyrtsos , et al. December 20, 1 | 1994-12-20 |
Method and apparatus for determining vehicle position using a satellite based navigation system Grant 5,359,521 - Kyrtsos , et al. October 25, 1 | 1994-10-25 |
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