Apparatus and method for providing dual sliding windows for the purpose of determining postage discount qualifications across invalid and unreadable mail pieces and determining the number of mail pieces to be placed in a mail tray for receiving the maximum postage discount. This is accomplished by storing...http://www.google.es/patents/US5475603?utm_source=gb-gplus-sharePatente US5475603 - Apparatus and method for mail qualification and traying
Apparatus and method for mail qualification and traying
