DC

Douglas D. Castle

DB Digital Biometrics: 2 patents #4 of 12Top 35%
📍 Crystal, MN: #100 of 227 inventorsTop 45%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,293,815 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D346158 Cabinet housing for optical imaging of fingerprints Bruce N. Stanger, Glenn M. Fishbine 1994-04-19
D325196 Cabinet for optical imaging of fingerprints Bruce N. Stanger, Glenn M. Fishbine 1992-04-07