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Your search returned 106 patents.
( 342/386 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 4733241 | Position finding and collision avoidance system
| June 24, 1987 |
| 4704612 | System for recovering a hunting arrow
| September 4, 1986 |
| 4675683 | Spent hunting arrow locating means
| March 28, 1985 |
| 4564841 | Navigational systems using phase encoded angular coordinates
| March 22, 1985 |
| 4533918 | Pilot assistance device
| January 8, 1982 |
| 4308620 | System for maintaining phase coincidence between a carrier wave and sidebands produced by a transmitter
| October 26, 1977 |
| 4298874 | Method and apparatus for tracking objects
| October 24, 1978 |
| 4186399 | Goniometer circuit for VOR system
| October 27, 1978 |
| 4181911 | Target release system
| February 18, 1977 |
| 4125836 | Electrically scanned antenna system and modulator for omnidirectional radio range
| January 25, 1978 |
| 3997868 | Emergency vehicle warning system
| January 13, 1975 |
| 1 2 |
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