Digital printing, metering and recording of other post...
Disabling a mailing machine when a print head in not installed
Disabling a mailing machine when a print head is not installed
Disposable franking apparatus
Disposable postage stamp marker
Drive control system for imprinting apparatus
Drive system in a postage meter
Dual metering method for enhanced mail security
Dual mode electronic toll collection transponder
Dual toll system
Dynamic allocation of postal security devices
Dynamic pricing for toll lanes
Dynamic reassignment of postal metering device licensing...