WF

William E. Fritz

📍 Naperville, IL: #41 of 158 inventorsTop 30%
🗺 Illinois: #802 of 3,813 inventorsTop 25%
Overall (1989): #44,293 of 140,708Top 35%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4867615 Hopper car discharge gate 1989-09-19