Payment card signal characterization methods and circuits
Peel off coupon redemption card and tracking system
Peel off redemption coupon card with microprocessor chip and...
Pen apparatus system and method of assembly
Pen chart analyser
Pen computer
Pen-based calculator
Performance optimization of monochrome pages in a color...
Person recognition method and device
Person recognition securement method and device
Personal authentication medium issuing method
Personal card comprising a safety switch
Personal computer card power management system
Personal data card and method of constructing the same
Personal data card construction
Personal identification arrangements
Personal identification device and method
Personal identification method and apparatus
Personal identification system
Personal identity authentication process and system