DC

David A. Chapman

📍 Rushden, GB: #22 of 52 inventorsTop 45%
Overall (All Time): #3,877,064 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5018233 Last Adam Waterfield, Norman R. Waterfield, Thomas K. Andrews, Brian Humphrey 1991-05-28