193944 ⎘
Franking apparatus; Details relating to mailpieces in a franking system; Printing or attaching on mailpieces; Special printing techniques, e.g. interlacing Separating print into fixed and variable parts
Method and system for generating copy detection pattern having a fixed component and dynamic component
#2Apparatus and materials for two-stage printing of value indicia
#3Technique for effectively generating multi-dimensional symbols representing postal information