DH

Donald R. Holm

📍 Oregon, WI: #91 of 147 inventorsTop 65%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #4,021,250 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4540438 Ferrosilicon aggregate for concrete and resins Paul F. Gutmann 1985-09-10