ED

Edward P. Von Doehren

📍 Fredericksburg, IA: #2 of 4 inventorsTop 50%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,963,097 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4785489 Resilient broom and scraper — 1988-11-22