ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,224, issued on March 25, was assigned to Dexterity Inc. (Redwood City, Calif.).

"Robotic system with zone-based control" was invented by Zhouwen Sun (San Mateo, Calif.), Cuthbert Sun (San Francisco), Andrew Nguyen (San Francisco), Samuel Tay (Sunnyvale, Calif.), Emilie Peck (Palo Alto, Calif.), Kevin Jose Chavez (Redwood City, Calif.) and Robert Holmberg (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Data indicating a corresponding safety state information indicating an extent to which that operating zone currently is or is not available to the robotic system to perform tasks using one or more robotic instrumentalities associ...