ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,419, issued on Sept. 23, was assigned to Symbotic LLC (Wilmington, Mass.).

"Motion planning and task execution using potential occupancy envelopes" was invented by Scott Denenberg (Newton, Mass.), Clara Vu (Cambridge, Mass.), Patrick Sobalvarro (Harvard, Mass.) and Alberto Moel (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Spatial regions potentially occupied by a robot (or other machinery) or portion thereof and a human operator during performance of all or a defined portion of a task or an application are computationally estimated. These "potential occupancy envelopes" (POEs) may be based on the states (e.g., the current and ex...