DF

David Freeman

VI Viztec: 2 patents #1 of 2Top 50%
📍 Cockatoo, OK: #1 of 1 inventorsTop 100%
Overall (2002): #69,313 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6450407 Chip card rebate system Gary A. Freeman 2002-09-17
6402039 Flexible chip card with display Gary A. Freeman 2002-06-11