DH

David Allen Hopkins

📍 Sacramento, CA: #47 of 171 inventorsTop 30%
🗺 California: #24,257 of 60,394 inventorsTop 45%
Overall (2017): #449,501 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9587917 Multifunctional electronic dart board with digital target display ring (DTDR) Robert Krzewicki 2017-03-07