Inventor
OXLEY DEREK A
US5 patents
Patents
5 patentsUS6768906B2Jul 27, 2004
System and technique for plane switchover in an aircraft based wireless communication system
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US6904023B2Jun 7, 2005
Method and apparatus for group call services
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US7031273B2Apr 18, 2006
Session initiation protocol retransmission method
MOTOROLA INC12 citations80
US7711382B2May 4, 2010
Method for dynamic group call
MOTOROLA INC2 citations58
US7376225B2May 20, 2008
Method for feature transfer in a telecommunication network
MOTOROLA INC1 citations47