Der Linden; Sean Van
Patent Applications and Registrations
Patent applications and USPTO patent grants for Der Linden; Sean Van.The latest application filed is for "method and apparatus to provide pay-per-call performance based advertising".
- Der Linden; Sean Van - San Francisco CA
| Patent | Date |
|---|---|
| Method and apparatus to provide pay-per-call performance based advertising App 20070116217 - Altberg; Ebbe ; et al. | 2007-05-24 |
| Method and system to connect consumers to information App 20050114210 - Faber, Scott ; et al. | 2005-05-26 |
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