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Method for tracking real time road conditions |
Kevin Thornton |
1999-11-09 |
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Single channel autonomous digitally trunked RF communications system |
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1995-04-18 |
| 5369783 |
Dynamic regrouping in a trunked radio communications systems |
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1994-11-29 |
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Processor-to-processor communications protocol for a public service trunking system |
Dimitri M. Nazarenko, Houston H. Hughes, III, Robert T. Gordon, Bruno Yurman |
1993-04-27 |
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Processor-to-processor communications protocol for a public service trunking system |
Dimitri M. Nazarenko, Houston H. Hughes, III, Robert T. Gordon, Bruno Yurman |
1992-07-07 |
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Dynamic regrouping in a trunked radio communications system |
Jeffrey S. Childress |
1992-05-26 |
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Radio trunking fault detection system with power output monitoring and on-air monitoring |
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1992-02-04 |
| 5020132 |
Processor-to-processor communications protocol for a public service trunking system |
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1991-05-28 |
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Radio trunking fault detection system |
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1990-02-20 |
| 4835731 |
Processor-to-processor communications protocol for a public service trunking system |
Dimitri M. Nazarenko, Houston H. Hughes, III, Robert T. Gordon, Bruno Yurman |
1989-05-30 |
