ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,918, issued on June 17, was assigned to EVERDAY TECHNOLOGY Co. LTD. (Yilan County, Taiwan).
"One-time activation smoke alarm" 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 one-time activation smoke alarm includes a smoke alarm body and a wall-hanging base. The smoke alarm body includes a case and a sliding sheet. An engaging recessed slot and a supporting protrusion platform are respectively formed on two sides of a bottom of the case. The sliding sheet is slidably disposed on the supporting protrusion platform, and a front end of the sliding sheet has a...