ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,236, issued on Nov. 25, was assigned to MATIC ROBOTS INC. (Mountain View, Calif.).

"Detection and presentation of various surface types by an autonomous vacuum" was invented by Anshuman Kumar (San Francisco), Karthik Chandrashekaraiah (San Francisco), Vishal Jain (San Francisco), Nathan Elio Madonia (Mountain View, Calif.), William George Plummer (Mountain View, Calif.), Tristan Pierre Gervais (Sunnyvale, Calif.), Prabhakar Manoj Naik (Maharashtra, India), Clayton Haight (Mississauga, Canada), Vivek Kumar Bagaria (Mountain View, Calif.), Seungho Yang (Mountain View, Calif.), Navneet Dalal (Atherton, Calif.) and Mehul Nariyawala (Los Altos, Calif.).

According to the abstract* rele...