ALEXANDRIA, Va., July 7 -- United States Patent no. 12,672,712, issued on July 7, was assigned to MATIC ROBOTS INC. (Mountain View, Calif.).

"Autonomous vacuum sweeping system" was invented by Anshuman Kumar (San Francisco), Karthik Chandrashekaraiah (San Francisco), Nathan Elio Madonia (Mountain View, Calif.), William George Plummer (London), Tristan Pierre Gervais (Sunnyvale, Calif.), Kaiwen Liao (Sunnyvale, Calif.) and Vishal Jain (Santa Clara, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning system may have a brush roller that moves dust and debris towards a duct opening for collection. The cleaning system may be an autonomous vacuum robot or include an autonomous vacuum robot. The cleani...