JH

John W. Horstman

📍 Maple Grove, MN: #791 of 1,211 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,047,265 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4368890 Paddle game apparatus George L. Hanson 1983-01-18