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Patent applications and USPTO patent grants for Elwell, John M. JR..The latest application filed is for "deeply-integrated adaptive gps-based navigator with extended-range code tracking".
Patent | Date |
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Deeply-integrated adaptive GPS-based navigator with extended-range code tracking App 20020126044 - Gustafson, Donald E. ;   et al. | 2002-09-12 |
Geographical navigation using multipath wireless navigation signals App 20020089450 - Dowdle, John R. ;   et al. | 2002-07-11 |
Deeply-integrated adaptive INS/GPS navigator with extended-range code tracking App 20020047799 - Gustafson, Donald E. ;   et al. | 2002-04-25 |
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