DK

Donald W. Kemp

Mastercard: 1 patents #1,114 of 2,005Top 60%
Overall (All Time): #2,797,911 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10685384 Methods and systems for tracking a price change for a purchase made using a transaction card Christopher P. Aguas, Brian O'Neale Bettinger, Thomas G. Romary, Hugh Herrick Birch 2020-06-16