DIED. ROY PLUNKETT, 83, DuPont chemist credited with discovering polytetrafluoroethylene resin, better known as Teflon; in Corpus Christi, Texas.
DIED. ROY PLUNKETT, 83, DuPont chemist credited with discovering polytetrafluoroethylene resin, better known as Teflon; in Corpus Christi, Texas.