193966 ⎘
Franking apparatus; Cryptography or similar special procedures in a franking system including unique details
Sub-classes:SYSTEM AND METHOD FOR PROVIDING COMPUTER-BASED POSTAGE STAMPS
#2SYSTEM AND METHOD FOR PROVIDING COMPUTER-BASED POSTAGE STAMPS
#3Generic value bearing item labels
#4Method and system for applying an image-dependent dynamic watermark to postal indicia
#5Method of performing non-secure franking with stamps from books
#6Technique for effectively generating postage indicia using a postal security device
#7System and method for providing computer-based postage stamps
#8Method of using personal signature as postage