ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,842, issued on March 24, was assigned to EVERDAY TECHNOLOGY Co. LTD. (Yilan County, Taiwan).
"Smoke alarm having layered structure" was invented by Shih-Hsiung Hsieh (Yilan County, Taiwan) and Yi-Shan Wu (Yilan County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A smoke alarm having a layered structure includes a case, a smoke detecting unit, and a layering plate. The smoke detecting unit is disposed in the case, and includes a smoke collecting box and a control module electrically connected to the smoke collecting box. The layering plate is disposed in the case. The layering plate defines an upper layer space and a lower layer space in t...