HG

Helen E. Gadd

📍 Elmwood Park, IL: #46 of 99 inventorsTop 50%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,007,103 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4630830 Bingo game card holder — 1986-12-23