JO

James L. Opgenorth

📍 Oconomowoc, WI: #7 of 31 inventorsTop 25%
🗺 Wisconsin: #1,288 of 3,989 inventorsTop 35%
Overall (2025): #353,811 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

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