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Xiangdong Liu
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Germantown, MD, US
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Patents Grants
last 30 patents
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Patent Grant
Method and system of determining user terminal position using multi...
Patent number
6,317,077
Issue date
Nov 13, 2001
Hughes Electronics Corporation
Mohammad Soleimani
G01 - MEASURING TESTING
Information
Patent Grant
Method and system of determining user terminal position using a mea...
Patent number
6,307,503
Issue date
Oct 23, 2001
Hughes Electronics Corporation
Xiangdong Liu
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
System and method for effectively assigning communication frequenci...
Publication number
20010049284
Publication date
Dec 6, 2001
Xiangdong Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE