DC

Dennis E. Copen

📍 Phoenix, AZ: #41 of 155 inventorsTop 30%
🗺 Arizona: #110 of 528 inventorsTop 25%
Overall (1982): #20,007 of 81,411Top 25%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4313523 Automotive exhaust system incorporating venturi to reduce back pressure — 1982-02-02