How many helicopters did igor sikorsky make?

Igor Sikorsky is credited with designing and building several helicopters throughout his career. Notably, he created the VS-300, which was one of the first successful single-rotor helicopters, and the R-4, the first helicopter to enter production in the U.S. While the exact number of helicopters he designed varies, Sikorsky's contributions significantly advanced helicopter technology and paved the way for future developments in the field.