Scalable, fraud resistant graphical payment indicia
Secure communication system with encrypted postal indicia
Secure user certification for electronic commerce employing...
Security and authentication of postage indicia
Stamp testing and monitoring
System and method for communicating a message in a mailing...
System and method for conducting a financial transaction...
System and method for controlling a postage metering system...
System and method for distributing postage over a public...
System and method for linking an indicium with address...
System and method for mail destination address information...
System and method for manufacturing and securing transport...
System and method for producing and verifying secure...
System and method for providing a secure contact management...
System and method for verifying digital postal marks
System and methods for digital receipts
System for metering permit mail that has an encrypted message af
System for printing on a local printer coupled to a meter...
System for providing early warning preemptive postal...
Systems and methods for detecting postage fraud using an...