CW

Charles A. Walton

📍 Marshfield, MA: #2 of 10 inventorsTop 20%
🗺 Massachusetts: #1,783 of 6,384 inventorsTop 30%
Overall (2002): #239,791 of 266,432Top 95%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6340116 Proximity card with incorporated pin code protection Kenneth B. Cecil 2002-01-22