Nice article Sendler, Lambo admits they used to be more about looks than performance. Guess it took German ownership to change that.
Yep, stall means disruption of smooth air flow as I suspected earlier with the dirverter and vortex comments I made.
I also suspect they are not all telling to ward off imitation and competition.
The patents could be for marketing reasons, or they just might sue others following in their wake. Time will tell, but by then they will adapt and change to stay ahead.