DC

David Crawford

GR Groupon: 1 patents #71 of 279Top 30%
Overall (2022): #485,687 of 548,613Top 90%
1
Patents 2022

Issued Patents 2022

Patent #TitleCo-InventorsDate
11321993 Dynamic awarding of prizes in chance-based contests Gregory J. Conklin, Alison Allgor, Naresh Dhiman, Jeffrey A. Holden, Shafiq Shariff 2022-05-03