Paul R. Christian

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Schaumburg, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for optimal hand-offs in a satellite cellular...
- Patent number RE37757
- Issue date Jun 18, 2002
- Motorola, Inc.
- Mark Steven Frank
- 455 - Telecommunications
Information Patent Grant
Method and apparatus for dynamically controlling hand-off threshold...
- Patent number 6,108,538
- Issue date Aug 22, 2000
- Motorola, Inc.
- Dariusz Andrzej Blasiak
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual mode communication device and method
- Patent number 5,966,667
- Issue date Oct 12, 1999
- Motorola, Inc.
- Stephanie S. Halloran
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for automatic modulation calibration in a radi...
- Patent number 5,507,015
- Issue date Apr 9, 1996
- Motorola, Inc.
- Casimir Karczewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for assuring data integrity during a repeater transition
- Patent number 5,446,924
- Issue date Aug 29, 1995
- Motorola, Inc.
- Paul R. Christian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for transmission path delay measurements using...
- Patent number 5,361,398
- Issue date Nov 1, 1994
- Motorola, Inc.
- Paul R. Christian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE