DG

David Gollhofer

📍 Sac City, IA: #15 of 24 inventorsTop 65%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,568,004 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6167601 Method for manufacturing ventilated sheet-metal floor members Brad E. Smithburg 2001-01-02