Who invented the first powered vacuum cleaner?

Asthmatic American inventor James Spangler sold his idea for an electric broomstick-like cleaner—with cloth filter and dust-collection bag attached to the long handle—to William Hoover in 1908. His invention proved to be arguably the first truly practicable domestic vacuum cleaner. Who invented the vacuum cleaner in 1901? In 1901, Hubert Cecil Booth invented the first…