when was the first dyson vacuum cleaner invented
Dyson (company) Dyson developed 5,127 prototype designs between 1979 and 1984. The first prototype vacuum cleaner, a red and blue machine, brought Dyson little success, as he struggled to find a licensee for his machine in the UK and America. Manufacturing companies like Hoover did not want to license the design, probably because the vacuum bag market was worth $500m so Dyson was a threat to their profits.[5]
Paris Peace Accords
Fidget spinner As of 2017, the patent status of the various fidget spinners on the market was unclear.[8]
Palm (PDA) Pilot was the name of the first generation of personal digital assistants manufactured by Palm Computing in 1996 (by then a division of U.S. Robotics).