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Watermarking system that executes received watermarking instructions to embed a watermark Grant 8,180,708 - Hurtado , et al. May 15, 2 | 2012-05-15 |
Persistent access control of protected content Grant 7,614,077 - Brew , et al. November 3, 2 | 2009-11-03 |
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Method and system for providing interoperability between digital rights management systems App 20070156601 - Brew; Glenn Edwards ;   et al. | 2007-07-05 |
Updating usage conditions in lieu of download digital rights management protected content Grant 7,110,984 - Spagna , et al. September 19, 2 | 2006-09-19 |
Super-distribution of protected digital content App 20060095792 - Hurtado; Marco M. ;   et al. | 2006-05-04 |
Updating usage conditions in lieu of download digital rights management protected content App 20060089912 - Spagna; Richard L. ;   et al. | 2006-04-27 |
Super-distribution of protected digital content Grant 6,983,371 - Hurtado , et al. January 3, 2 | 2006-01-03 |
Split and joint compressed audio with minimum mismatching and distortion Grant 6,832,198 - Nguyen , et al. December 14, 2 | 2004-12-14 |
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Secure electronic content distribution on CDS and DVDs Grant 6,611,812 - Hurtado , et al. August 26, 2 | 2003-08-26 |
Secure Electronic Content Distribution On Cds And Dvds App 20030105718 - HURTADO, MARCO M. ;   et al. | 2003-06-05 |
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Method And System To Deliver Targeted Advertisement And Targeted Content In Broadcast System App 20010012303 - GRUSE, GEORGE GREGORY ;   et al. | 2001-08-09 |
Electronic content delivery system Grant 6,226,618 - Downs , et al. May 1, 2 | 2001-05-01 |
Method and system for recording in-progress broadcast programs Grant 6,173,112 - Gruse , et al. January 9, 2 | 2001-01-09 |
Method of sequencing bus operations in a simplex switch Grant 5,317,565 - Crouse , et al. May 31, 1 | 1994-05-31 |