JM

Joseph A. McDonald

📍 Quincy, MA: #327 of 530 inventorsTop 65%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,753,431 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5559490 Electronic scoring apparatus for dart games Algis E. Karosas 1996-09-24