METHOD OF AND APPARATUS FOR MANAGING AND REDEEMING BAR-CODED COUPONS DISPLAYED FROM THE LIGHT EMITTING DISPLAY SURFACES OF INFORMATION DISPLAY DEVICES - diagram, schematic, and image 13
Back to METHOD OF AND APPARATUS FOR MANAGING AND REDEEMING BAR-CODED COUPONS DISPLAYED FROM THE LIGHT EMITTING DISPLAY SURFACES OF INFORMATION DISPLAY DEVICES , All Patents .