JD

John C. DeFrancesco

📍 Omaha, NE: #986 of 2,015 inventorsTop 50%
🗺 Nebraska: #2,834 of 5,697 inventorsTop 50%
Overall (All Time): #4,004,240 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D286413 Violin learning board — 1986-10-28