An inventory counting article pusher display tray system includes an elongate track having a front end, a rear wall, and a floor for positioning a row of articles thereon for movement along the track. The track further defines a series of longitudinally spaced numbers visible from above the track and...http://www.google.ca/patents/US6105791?utm_source=gb-gplus-sharePatent US6105791 - Inventory counting article pusher display tray system