This is a new device in the billboard advertisement industry in which we can show the 30 and above number of images using roller rotation and side tightening.' In this device the vinyl screen images or paper images are stickled above the skin and the skin is kept in the rolled form to accommodate more number of ima...

A SYSTEM AND METHOD FOR REVIEW BASED COUPON REDEMPTION A system and method for review-based coupon redemption relates to a system where the scanning devices, scan and store the unique code of the coupons in the database. The database also stores the unique codes for each coupon in the batch. Coupons are distribute...