National Teflon day 2021 National Teflon Day on April 6th each year honors the accidental invention of Teflon on April 6, 1938, by Dr. Roy Plunkett.While Plunket receives credit for the invention of Teflon, another person saw Teflon’s larger purpose. Marion A.Trozzolo brought it from the laboratory into the kitchen. The Kansas City, Missouri professor used the substance to coat his scientific utensils. This use later led him to establish Laboratory Plasticware Fabricators.In 1961, he marketed the first US-made Teflon coated frying pan, The Happy Pan. Nowadays ,everywhere we can we this pan for many purpose use .Either cooking or for Procter fabrics and reduce friction in the aerospace industry. It also helps to increase production and reduce contamination in pharmaceuticals.