Postal security device incorporating periodic and automatic self
Pre-authenticated identification token
Predictive software license balancing
Prepaid licensing system and method
Prepayment energy metering system with two-way smart card...
Prepayment system for electric power meters using a...
Printer service denial
Printing control apparatus and a method of charging for...
Printing machine and printing system
Printing of postal indicia and detection thereof
Printing postage with cryptographic clocking security
Printing system, apparatus and method for automatically...
Privacy protection system and method
Private and secure payment system
Process and device for internet payments by means of...
Process and method for secure online transactions with...
Process for making remote payments for the purchase of goods...
Process for protecting sensitive price information from...
Processing system for recording media content
Processing system for recording media content