DC

David Chaum

IS Info Space: 1 patents #2 of 18Top 15%
📍 West Hollywood, CA: #15 of 73 inventorsTop 25%
🗺 California: #8,284 of 26,763 inventorsTop 35%
Overall (2002): #236,499 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6434238 Multi-purpose transaction card system Niels T. Ferguson, Jelte Willem Jan Van Der Hoek 2002-08-13