DE

David Robert Evans

📍 Poway, CA: #10 of 41 inventorsTop 25%
🗺 California: #2,144 of 10,592 inventorsTop 25%
Overall (1989): #123,346 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4866728 Electric discharge apparatus John E. Harry 1989-09-12