CW

Charles A. Walton

📍 Marshfield, MA: #5 of 12 inventorsTop 45%
🗺 Massachusetts: #1,866 of 6,583 inventorsTop 30%
Overall (2004): #244,579 of 270,089Top 95%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6742714 Proximity card with incorporated PIN code protection Kenneth B. Cecil 2004-06-01