Efficient electronic money
Efficient method for encrypting superblocks of data
Electronic authentication system
Electronic bolt lock with enhanced security features
Electronic cash system
Electronic cashless transaction system
Electronic cashless transaction system
Electronic combination lock utilizing a one time use...
Electronic combination lock utilizing a one-time use combination
Electronic commerce using a secure courier system
Electronic cryptographic packing
Electronic data interchange postage evidencing system
Electronic data interchange postage evidencing system
Electronic data interchange postage evidencing system
Electronic device providing automatic permutations of a Vigenere
Electronic document processing system and method of forming digi
Electronic funds transfer instruments
Electronic funds transfer system with means for verifying a pers
Electronic information network user authentication and authoriza
Electronic media program recognition and choice