DK

Donald Keefer

IBM: 2 patents #32,839 of 70,183Top 50%
Overall (All Time): #1,411,932 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11361325 Dynamic management of a customer life-cycle value Pawan R. Chowdhary, Markus Ettl, Gabriel Toma, Zhengliang Xue 2022-06-14
11295320 Dynamic management of a customer life-cycle value Pawan R. Chowdhary, Markus Ettl, Gabriel Toma, Zhengliang Xue 2022-04-05
5259621 Chipping and putting trainer device 1993-11-09