DH

David Harrop

📍 Newark, CA: #633 of 939 inventorsTop 70%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,934,840 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855711 Impact detection apparatus Bradley A. Sharpe-Geisler, Valli R. Sharpe-Geisler 1989-08-08