Nike By 18juanm Nov 8, 1971 Nike officially becomes Nike Inc. Nov 8, 1971 A student designs the sign for $35 Nov 8, 1972 Ilie Nastase becomes the first athlete to be endorsed by Nike Nov 8, 1974 The Nike Waffle Trainer is patented Nov 8, 1988 the Slogan "Just Do It' was inspired by the serial killer Gary Gilmore Nov 9, 1990 First Nike store opens in Portland Nov 9, 1996 Nike revenues at 6.74 Billion Nov 9, 2014 The brand is valued at $19 Billion and its the most valued sports brand