Technological Advancements in Appliances and Gadgets By prabhu.aum Aug 28, 1728 First cast iron ovens Aug 28, 1800 First iron kitchen stove invented Mar 24, 1826 Gas stove is patented Mar 3, 1850 Dishwasher is invented Mar 24, 1850 Kettle is invented Mar 1, 1876 Telephone is invented Apr 28, 1893 First electric stove invented Jan 1, 1902 Air Conditioner Feb 22, 1918 First refrigerator Mar 7, 1935 Microwave oven is invented Jan 1, 1937 The first digital computer Aug 31, 1945 Microwave oven is invented Jan 1, 1955 Microwave Oven Apr 3, 1973 The first mobile phone Feb 27, 1974 Pool Vacuum cleaner Sep 15, 1975 First portable laptop Mar 1, 1998 First Portable MP3 Player Nov 10, 2001 The iPod is born Jun 29, 2007 iPhone is released Jan 2, 2008 The kettle is modified Mar 7, 2010 Robotic vacuum cleaner Apr 6, 2010 iPad is invented