ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,569, issued on Nov. 3, was assigned to US Positronix Inc. (Oberlin, Ohio) and SRI International (Menlo Park, Calif.).

"Stable attractive magnetic mobility and locking system" was invented by John M. Baker (Hayward, Calif.), Remigio Perales (Oberlin, Ohio) and Simon A Perales (Oberlin, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "An attractive magnetic movement and locking system uses groups of laterally stationary under-floor magnets to create an attractive potential well which magnetically attracts and pulls a mover towards the well, and locks it in place. The under-floor magnets adjust their strength through actuations or currents to move th...