Sebo Household Vacuum Cleaners: A history that kicks up dust. About 80 years after the first vacuum cleaner patent was issued, two engineers were persuaded to reinvent the vacuum cleaner. With skills both in theory and hands-on work, these gentlemen counded Sein & Co. in Velbert, Germany and, in 1978, developed the SEBO 350. This vacuum was designed to pass the hardest test: to facilitate the work of cleaning professional. Due to the patented technical innovations that allowed effective cleaning of all kinds of carpet and the ability to clean the tightest corners, this first model immediately impressed the demanding cleaning personnel of hotels, hospitals and offices. With the adition of unique features such as an integrated hose, a clutch-protected brush roller, and a by-pass motor, the first SEBO caused quite a sensation. Today, with over 3,000,000 upright vacuum cleaners sold, SEBO