AR

Alvin W. Roggenkamp

📍 Blue Grass, IA: #26 of 38 inventorsTop 70%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,787,103 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5477571 Detachable bed legs Timothy J. McDonnell 1995-12-26