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Method of and apparatus for indicating the geographical position of a pilot vehicle
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Issued on: 10/11/1977
Inventor: Boyer
Vehicle location system
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Issued on: 04/04/1978
Inventor: Haemmig
System for automatic vehicle location
Patent #: 4107689
Issued on: 08/15/1978
Inventor: Jellinek
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Vehicle locator system
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Issued on: 05/01/1979
Inventor: Ashworth, Jr.
Auto theft detection system
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Issued on: 12/04/1979
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Cascaded digital cancelers
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Device to automatically screen incoming telephone calls, determine the identity of the caller and process the call accordingly
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Navigational aid autopilot
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Electronic chart system
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Radio telephone with position transmission capability
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Navigation system and method
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Transaction processing system
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Method and apparatus for automatic distress call signal transmission
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Current location indication apparatus for use in an automotive vehicle
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Issued on: 10/13/1987
Inventor: Bini
Cellular mobile phone with a plurality of accessing telephone numbers for allowing access to the mobile phones by any one of the telephones numbers
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Stolen object location system
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Global positioning system course acquisition code receiver
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Cellular mobile radio credit card system
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Radiotelephone credit card call approval synchronization
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Method and apparatus for error-free digital data transmission during cellular telephone handoff, etc.
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System and method for remotely monitoring the connect/disconnect status of a multiple part vehicle
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Vehicle locating system with Loran-C
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Cellular position locating system
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Navigation and tracking system
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Vehicle location system
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System and method for monitoring and reporting out-of-route mileage for long haul trucks
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Method and apparatus for communicating with radio telephones
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Vehicle location system
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Inventor: Barnard
Beacon enhanced telecommunications system and method
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Vehicle mounting apparatus of an automatic vehicle location system
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Cellular telephone system and method for dynamically switching between call routing options
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Vehicle locating and communicating method and apparatus
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Method of selecting the cellular system with which a cellular mobile radiotelephone communicates
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Vehicle location system having enhanced position location processing
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Vehicle locating and navigating system
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Vehicle tracking system employing global positioning system (GPS) satellites
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5237612
Method and apparatus for authenication and protection of subscribers in telecommunication systems
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August 21, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
