Pat has the best selling Pin, no one can take that away from him. But Steve is the best selling designer of all time, and Stern has him.
Top 3 Pat titles, 46K+
Steve has 19K+ with Flash, an another couple of 17K+ with High Speed and Firepower.
Top 3 Steve titles, 53K+
Pat drops below 5 figures after that, while Steve still has and additional 5 different 5 figure Pins after that!
Anyway, these two are the best, and Pat still has bragging rights on Adams Family, but Steve overall has produced more sales.