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 device, content reproduction control method,...
Electronic document processing system and method of forming digi
Electronic encryption device and method
Electronic encryption device and method
Electronic funds transfer instruments
Electronic funds transfer system with means for verifying a pers
Electronic identifiers for network terminal devices
Electronic information network user authentication and authoriza
Electronic media program recognition and choice
Electronic notary
Electronic payment system and method
Electronic shopping method, electronic shopping system and docum