Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Time-measurement secured transactional electronic entity

Time-measurement secured transactional electronic entity

US Patent 7431211 · Granted Oct 7, 2008

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Device for optical reading and radiofrequency encoding adaptable at the output o2008
Twin-contact chip card and method of communication with a card reader1996
Method and device for the certification of messages sent by facsimile transmissi1995