DR

David Ripton

AM Amazon: 1 patents #1,563 of 4,177Top 40%
Overall (2019): #492,475 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Patent #TitleCo-InventorsDate
10454690 Digital certificates with distributed usage information Stefan Popoveniuc, Alexandr Ukrainchik, Yuk-Chung Eric Kam, Mikhail Denisenko, Robert Eric Fitzgerald +2 more 2019-10-22