ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,767,188, issued on Oct. 20, was assigned to KEYSTONE HUMANS INC. (San Diego).

"Propulsion system including propellers" was invented by Arturo Jesus Farias Serra (Gibsons, Canada) and Juan Pablo Rico Garcia (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propulsion system is disclosed herein that includes a helical track or guideway, and a vehicle or vessel that travels along the guideway. Propellers are provided that are rotationally driven to propel the vessel along the guideway using propulsion, based on physical, magnetic or other means."

The patent was filed on Nov. 21, 2022, under Application No. 18/711,406.

*For further information, ...