DH

Dennis N. Henningsen

📍 Mason City, IA: #36 of 78 inventorsTop 50%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #4,034,630 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4449343 Insulation suspension system 1984-05-22