Patent 10049341 was granted and assigned to Walmart on August, 2018 by the United States Patent and Trademark Office.
In some embodiments, systems, apparatuses, and methods are provided herein useful to provide an indication of a stock level of a product support member. Compressed air is directed through a plurality of bores extending through the product support member. A sensor reading of the compressed air can be utilized to determine whether there are products stocked on the product support member due to the products blocking one or more of the bores.