Multiple choice

Directions: Find out from the following the inventor of different discoveries

Vacuum cleaner,elec

  1. Sony

  2. Georges de Mestral

  3. Moog

  4. Spangler

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

James Spangler, a janitor, invented the first portable electric vacuum cleaner in 1907, which he later sold to William Hoover.