DC

David Chaum

IS Info Space: 1 patents #1 of 3Top 35%
📍 West Hollywood, CA: #14 of 76 inventorsTop 20%
🗺 California: #8,555 of 28,370 inventorsTop 35%
Overall (2004): #241,050 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6718314 Multi-purpose transaction card system Niels T. Ferguson, Jelte Willem Jan Van Der Hoek 2004-04-06