ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,598, issued on May 5.
"Combined double-layer buffering modular concave corner protector" was invented by Limin Yuan (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A combined double-layer buffering modular concave corner protector, relating to technical field of packaging products. It includes modular corner protectors, and at least two modular corner protectors are provided, affixed to each other and locked by screws and nuts; a groove for assembling product is provided between two modular corner protectors, and a cavity is provided inside the modular corner protector. By combining the modular corner protectors two by two to form a groo...