DB

David A. Berkowitz

📍 Natick, MA: #534 of 819 inventorsTop 70%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #4,027,944 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4425763 Coal-fired steam locomotive Livio D. Porta, William L. Withuhn, Carl C. Hamilton 1984-01-17