Inventor
VAN DER LINDEN SEAN DAVID
US6 patents
Patents
6 patentsUS7359498B2Apr 15, 2008
Systems and methods for arranging a call
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Method and apparatus for prioritizing a listing of information providers
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US7698183B2Apr 13, 2010
Method and apparatus for prioritizing a listing of information providers
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US8024224B2Sep 20, 2011
Method and apparatus to provide pay-per-call advertising and billing
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US7886009B2Feb 8, 2011
Gate keeper
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US7519170B2Apr 14, 2009
Systems and methods for arranging a call
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