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Patent applications and USPTO patent grants for Hazeur; Derek M.The latest application filed is for "screened participant class notification for public networks".
Patent | Date |
---|---|
Challenge response systems Grant 7,904,517 - Kang , et al. March 8, 2 | 2011-03-08 |
Incremental anti-spam lookup and update service Grant 7,664,819 - Murphy , et al. February 16, 2 | 2010-02-16 |
Screened participant class notification for public networks App 20090133034 - Hazeur; Derek M. | 2009-05-21 |
Challenge response systems App 20060031338 - Kang; Nina W. ;   et al. | 2006-02-09 |
Incremental anti-spam lookup and update service App 20060015561 - Murphy; Elissa E. ;   et al. | 2006-01-19 |
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