DP

David A. Petch

📍 Cross Lake, CA: #61 of 191 inventorsTop 35%
Overall (All Time): #3,761,376 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5378896 Harmful solar radiation detection device Sascha R. Knjaschewitsch 1995-01-03