ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,818, issued on Jan. 27, was assigned to HUSQVARNA AB (Huskvarna, Sweden).

"Concrete surface mapping robots, systems, and methods for processing concrete surfaces" was invented by Andreas Jonsson (Hallsberg, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A concrete surface processing machine (100) for processing a concrete surface, wherein the concrete surface processing machine is arranged to be supported on the concrete surface by one or more support elements (150) extending in a base plane (101) of the machine parallel to the concrete surface, wherein the concrete surface processing machine is arranged to rotate (R) about an axis (C) normal...