No, this is not correct. Actually, they also patented flaps and ailerons or anything else that could manipulate the wings outer surface to adjust roll.
Their real contribution was coordinated flight control. That is, rotation or roll (via warping or whatever) in coordination with rudder. This is what really made stable air flight possible. They figured this out through tremendous personal expense, scientific method, and personal risk. A sustained multi-year effort. Seems reasonable to get at least some licensing revenue when others copy it.
Their real contribution was coordinated flight control. That is, rotation or roll (via warping or whatever) in coordination with rudder. This is what really made stable air flight possible. They figured this out through tremendous personal expense, scientific method, and personal risk. A sustained multi-year effort. Seems reasonable to get at least some licensing revenue when others copy it.