ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,828, issued on July 14, was assigned to The Boeing Co. (Arlington, Va.).

"Methods and apparatus for navigation with point mass filters" was invented by Samuel Adam Schweighart (Fairfax, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus for navigation with point mass filters are disclosed. A disclosed apparatus to adjust a probabilistic grid of a point mass filter for navigation of a vehicle includes interface circuitry communicatively coupled to a sensor of the vehicle, machine readable instructions, and programmable circuitry to at least one of instantiate or execute the machine readable instructions to move the probabilistic...