JS

Jack E. Schaal

📍 Island Lake, IL: #37 of 55 inventorsTop 70%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,861,933 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5158047 Delayed drop power stroke internal combustion engine Robert G. Schaal 1992-10-27