JM

John Matviak

📍 Bloomsbury, NJ: #28 of 41 inventorsTop 70%
🗺 New Jersey: #41,174 of 69,400 inventorsTop 60%
Overall (All Time): #4,013,793 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4512580 Device for reducing predictability in card games — 1985-04-23