ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,001, issued on June 10, was assigned to ZI YI ELECTRICAL ENGINEERING Co. LTD. (Taichung, Taiwan).
"Reinforced top cover structure for a chemical filter" was invented by Ting-Tsai Huang (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reinforced top cover structure for a chemical filter includes a cover member made of injection molded plastic material and covering a metal-made core board mounted with multiple positioning pillars. Each positioning pillar has an upper section extending upwardly from a top surface of the core board, a middle section connected to the upper section and extending through a corresponding one of multiple po...