ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,557,950, issued on Feb. 24, was assigned to Aktiebolaget Electrolux (Stockholm).
"Vacuum cleaner" was invented by Christoffer Sormark (Stockholm) and Peter Mian (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum cleaner comprising an elongated body having a nozzle end and a handle end, an air inlet arranged at the nozzle end, a handle arranged at the handle end, at least one air outlet arranged on the elongated body, and a dust separation unit arranged inside the elongated body. The vacuum cleaner further comprises a first motor/fan unit and a second motor/fan unit each arranged inside the elongated body. The first motor/fan unit and sec...