RJ

Ronald E. Opfer, Jr.

📍 Milford, MI: #4 of 25 inventorsTop 20%
🗺 Michigan: #694 of 3,452 inventorsTop 25%
Overall (1989): #61,799 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4869730 Endothermic gas generator Madhu Bhatnagar 1989-09-26