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Patents
Patents Assigned to Ringfree International Corporation
Patents Assigned to Ringfree International Corporation
Method and device for generating voice/text/image commercial information ringback tone during communication wait
Patent number:
7224788
Abstract:
Voice/text/image commercial information generating method and device during a communication is on wait.
Type:
Grant
Filed:
November 17, 1999
Date of Patent:
May 29, 2007
Assignee:
Ringfree International Corporation
Inventors:
Hyoung Chan Rhee, Jong Su Hong