Rewarding classes of purchasers

U.S. Patent no. 10,325,266: Rewarding classes of purchasers

U.S. Patent no. 10,325,266: Rewarding classes of purchasers Issued June 18, 2019 to Sony Interactive Entertainment America LLC Priority Date May 28, 2009 Summary: U.S. Patent No. 10,325,266 (the ‘266 Patent) relates…