ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,549, issued on June 3, was assigned to Qingdao Mihong Machinery Co. Ltd (Qingdao, China).
"Multifunctional stable winch hook guide rail system" was invented by Yadan Liu (Shandong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a multifunctional stable winch hook guide rail system. The system includes: a storage buckle; a guiding groove, where the guiding groove is formed on a front face of the storage buckle, a movable opening is formed on a back face of an inner wall of the guiding groove, and a winch hook is arranged inside the guiding groove; a hanging opening, where the hanging opening is located at a top of the winch hook at ...