ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,220, issued on March 25, was assigned to Sera Engenierie (Villebon sur Ivette, France).

"Weight-based decoy system with a path controller" was invented by Francois-Sylvain Crosnier (Voisins le Bretoneux, France) and Rudy Southway (Gif sur Ivette, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method and device for steering a convoy (1) having a follower vehicle (2) to be protected and a weight-based decoy system (4), this method and these device being relative to the following steps: steering a controller of yaw-wise direction of the weight-based decoy system (4) depending on a route to follow, the weight-based decoy system (4) defining a sa...