ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,692, issued on March 31, was assigned to Dongguan KJH Lights Co. LTD (Dongguan, China).
"Clamp slot structure for rotatable spotlight" was invented by Hu Long (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A clamp slot structure includes a base and a lamp holder, an inner wall of a circular installation part on a back of the base is provided with two pairs of diagonally distributed wide edge clamp slots and narrow edge clamp slots, and the lamp holder is correspondingly provided with wide edge installation platforms and narrow edge installation platforms. During installation, the wide edge installation platforms are inserted vertic...