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Inventor
MAYFIELD WILLIAM
US
2 patents
Patents
2 patents
US6337980B1
Jan 8, 2002
Multiple satellite mobile communications method and apparatus for hand-held terminals
HUGHES ELECTRONICS CORP
35 citations
95
US6295440B2
Sep 25, 2001
Multiple satellite mobile communications method and apparatus for hand-held terminals
HUGHES ELECTRONICS CORP
32 citations
95