ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,064, issued on April 15, was assigned to Dong Guan Jia Sheng Lighting Technology Co. Ltd. China (Dong-Guna, China).
"Regulating switch" was invented by Kevin Hsu (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A regulating switch includes a first regulating rod, a second regulating rod, a base, multiple first elastic plates, multiple second elastic plates, a first variable resistor, and a second variable resistor. The first regulating rod includes a first regulating portion and a first driving portion. The first regulating rod is coaxial with and extends through the second regulating rod. The second regulating rod includes a second r...