MARKTEK INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0266,157 METHOD FOR EMBEDDING WATERMARK INTO AN IMAGE AND DIGITAL VIDEO RECORDER USING SAID METHODAbandonedApr 13, 10Oct 21, 10[G06K]
2004/0249,862 Sync signal insertion/detection method and apparatus for synchronization between audio file and textAbandonedApr 16, 04Dec 09, 04[G06F]
2004/0071,311 Network camera apparatus, network camera server and digital video recorder for preventing forgery and alteration of a digital image, and apparatus for authenticating the digital image from said apparatus, and method thereofAbandonedNov 12, 03Apr 15, 04[G06K]

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