JO

James L. Opgenorth

📍 Oconomowoc, WI: #231 of 386 inventorsTop 60%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #2,407,398 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12281509 Automatic emergency door closure — 2025-04-22