Robert Thomas Frederick

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Chandler, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for providing billing services for a mobile gr...
- Patent number 6,006,084
- Issue date Dec 21, 1999
- Motorola, Inc.
- Nathan West Miller
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for enhancing ring alert terminations
- Patent number 5,974,316
- Issue date Oct 26, 1999
- Motorola, Inc.
- Daniel Richard Tayloe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for registering mobile user groups
- Patent number 5,918,175
- Issue date Jun 29, 1999
- Motorola, Inc.
- Daniel Richard Tayloe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for receiving ring alert and paging data in an...
- Patent number 5,790,951
- Issue date Aug 4, 1998
- Motorola, Inc.
- Daniel Richard Tayloe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for erratic doppler frequency shift compensation
- Patent number 5,703,595
- Issue date Dec 30, 1997
- Motorola, Inc.
- Daniel Richard Tayloe
- G01 - MEASURING TESTING