PC-based open metering system and method
PC-based open metering system and method
Personal funds metering system and method
Postage meter having delayed generation of cryptographic...
Postage metering system having multiple postage meter...
Postage metering system having multiple postage meter...
Postage metering system having third party payment capability
Postage security device having cryptographic keys with a...
Postal security device incorporating periodic and automatic self
Printing of postal indicia and detection thereof
Printing postage with cryptographic clocking security
Product protection gateway and method for checking the...