TIMECERTAIN LLC

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0160,272 System and method for providing trusted time in content of digital data filesAbandonedDec 01, 04Jul 21, 05[H04L]
6898709 Personal computer system and methods for proving dates in digital data filesExpiredOct 28, 99May 24, 05[H04L]
6792536 Smart card system and methods for proving dates in digital filesExpiredOct 20, 99Sep 14, 04[H04L]

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