DJ

David Niel Johnson

HI Hallmark Cards, Incorporated: 1 patents #4 of 20Top 20%
📍 Gladstone, MO: #2 of 7 inventorsTop 30%
🗺 Missouri: #607 of 2,337 inventorsTop 30%
Overall (2022): #482,945 of 548,613Top 90%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11263503 Signature-based unique identifier Scott A. Schimke, Jennifer R. Garbos 2022-03-01