Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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08/20/2013
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Application #:
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11950229
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Filing Dt:
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12/04/2007
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Publication #:
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Pub Dt:
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04/24/2008
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Inventors:
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Quan QI, Jian Liu
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Title:
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METHOD AND SYSTEM FOR PROVIDING PRESENCE INFORMATION USING RINGBACK TONE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| HUAWEI ADMINISTRATION BUILDING, BANTIAN, LONGGANG DISTRICT, |
| SHENZHEN, GUANGDONG PROVINCE,, CHINA 518129 |
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| ERNEST F. CHAPMAN |
| 901 NEW YORK AVE., NW |
| WASHINGTON, DC 20001 |
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