ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,536,573, issued on Jan. 27, was assigned to Walmart Apollo LLC (Bentonville, Ark.).

"Systems and methods for event detection and relation to catalog items" was invented by Himanshu Rai (Bengaluru, India), Tuhin Bhattacharya (Kolkata, India), Raviteja Uppalapati (Sunnyvale, Calif.), Diksha Manchanda (New Delhi) and Samrat Kokkula (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some embodiments, apparatuses and methods are provided herein useful for event detection relative to catalog items available for commercial sale. In some embodiments, there is provided a system for event detection relative to catalog items available for commerc...