ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,105, issued on Nov. 4, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).

"Toolbox system" was invented by Cheng Chen (Nanjing, China), Jie Guo (Nanjing, China), Yongning Wu (Nanjing, China) and Keqiong Zhong (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A toolbox system includes a storage box and an external hanger assembly. The storage box has an accommodation cavity for storing an item. The storage box includes a limiting portion formed on a housing of the storage box. The external hanger assembly is used for detachably connecting the item. The external hanger assembly includes an external hanger capable of detach...