ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,339, issued on May 27, was assigned to Certus Technologies (Luxembourg).

"Crowd based bonus and promotional system and method" was invented by Rick Rowe (Las Vegas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bonus and/or promotion system, such as for a casino or other retail location, includes one or more sensors for detecting the presence of one or more persons at a location and a bonus or promotion generator configured to generate and output bonuses or promotions based upon detected levels of persons in an area. The bonus or promotion generator may provide an output to existing audio and/or visual display devices of the location for announcin...