This application is a continuation-in-part of U.S. patent application Ser. No. 09/417,295, entitled “Viral Marketing for Voice Accessible Information Service,” filed Oct. 13, 1999, which is incorporated herein by reference.
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Number | Date | Country |
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WO-200073931-A2 | Dec 2000 | WO |
Entry |
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Number | Date | Country | |
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Parent | 09/417295 | Oct 1999 | US |
Child | 09/464990 | US |