Unexpired pictorial calendars are produced by adherently attaching calendar stickers (8) to bound pages (16). The pages (16) are printed with artwork (18). The artwork (18) is viewed with the calendar information (12) printed on the calendar stickers (8). The calendar stickers (8) have an adhesive (14)...http://www.google.com.tw/patents/US5292154?utm_source=gb-gplus-share專利 US5292154 - Method and materials for calendar fabrication renewal
