I suppose better late to the party than not at all
Who you calling late?
* Rutan VariEze, the first aircraft to use winglets (1975)
* Learjet 28/29, the first production jet aircraft to use winglets (1977)
* Airbus A310-300, the first airliner to feature wingtip fences (1985) - A wingtip fence is a winglet variant, with surfaces extending both above and below the wingtip. Both surfaces are shorter than or equivalent to a winglet possessing similar aerodynamic benefits.
* Boeing 747-400, the first mainline airliner to feature winglets (1988)