Niklas Kronwall wears them, and some of the other athletes are sponsored so have to be seen wearing other manufacturers gear. Also not entirely sure if these are allowed in the NHL regarding health and safety.
P90 is the pro stock code for the retail P29, so essentially its the same curve as the P29/P92. However the P19 is also very close but not quite the same, a little straighter/more closed, better for backhands