ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,309, issued on Sept. 30, was assigned to Syswit Optoelectronics Technology Co. Ltd. (Guangzhou, China).
"Down-hanging lamp" was invented by Wenjie Li (Guangdong, China), Xi Wang (Guangdong, China) and Zhenkai Zhou (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a down-hanging lamp used for mounting on a guide rail of a firearm, the guide rail is provided with a transverse groove, comprising: a mounting base, a movable clamping block and a clamping block; the front of the mounting base is provided with a spotlight, the down-hanging lamp further comprises a battery; a battery mounting groove is forme...