ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,773, issued on Sept. 23, was assigned to GUANGZHOU KANGLONG ELECTRONICS Co. LTD. (Guangzhou, China).

"Board-to-board connection structure for PCB" was invented by Tielong Kang (Guangzhou, China) and Zhiming Liang (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A board-to-board connection structure for a PCB is disclosed. When a bottom board is welded to a functional board, weld legs thereof can be expanded in a perpendicular direction by means of a first bridge board, and the number of the weld legs of the bottom board to the functional board is no longer limited by the width of the functional board; a first partition board can pre...