ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,454, issued on July 21, was assigned to Good RV Equipment INC (Bellingham, Wash.).

"Stackable trailer system and associated methods" was invented by Yanfeng Cui (Bellingham, Wash.) and Kelly Zuoer Cui (Bellingham, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Stackable trailer systems and associated methods are provided. In some embodiments, the trailer system includes (1) a platform structure sized in accordance with a dimension of a shipping container; (2) a corner module configured to be positioned at a corner of the platform structure; and (3) a wheel assembly coupled to the platform structure and configured to move the platform structure...