The first upright vacuum cleaner was invented in June 1908 by Canton, Ohio department store janitor and occasional inventor James Murray Spangler (1848 - 1915). Being asthmatic, and suspecting the carpet sweeper he was using at work was the cause of his aliment, Spangler created a basic suction-sweeper by mounting an electric fan motor on a Bissell brand carpet sweeper then adding a soap box and a broom handle.
After refining the design and obtaining a patent for the Electric Suction Sweeper, Spangler set about producing this himself, assisted by his son and daughter.
Spangler gave one of these to his cousin, Susan Hoover. Being so impressed with it, Susan told her husband. William Hoover (1849-1932) bought the patent in 1908 and founded the Electric Suction Sweeper Company. When Spangler died, the company name changed to the Hoover Suction Sweeper Company. (Info from Wikipedia)
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