ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,423, issued on Feb. 10, was assigned to Jetoptera Inc. (Edmonds, Wash.).

"Fluidic propulsive system" was invented by Andrei Evulet (Edmonds, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A propulsion system coupled to a vehicle. The system includes a convex surface, a diffusing structure coupled to the convex surface, and at least one conduit coupled to the convex surface. The conduit is configured to introduce to the convex surface a primary fluid produced by the vehicle. The system further includes an intake structure coupled to the convex surface and configured to introduce to the diffusing structure a secondary fluid accessible to the veh...