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Your search returned 118 patents.
( 701/225 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 4675823 | Ground proximity warning system geographic area determination
| December 9, 1983 |
| 4674051 | Navigation point locating system
| May 21, 1985 |
| 4651282 | Microcomputer based keyboard command entry concept for VHF communication and navigation systems
| May 30, 1984 |
| 4642649 | Passive ranging method and apparatus using interferometric scanning
| September 30, 1983 |
| 4635203 | Passive range measurement apparatus and method
| April 6, 1984 |
| 4626861 | Two angle range and altitude measurement system and methods
| September 28, 1984 |
| 4613867 | Passive ranging of an airborne emitter by a single non-maneuvering or stationary sensor
| January 9, 1984 |
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