MD

Marvin R. DeVries

📍 Tulsa, OK: #27 of 151 inventorsTop 20%
🗺 Oklahoma: #151 of 749 inventorsTop 25%
Overall (1989): #81,886 of 140,708Top 60%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4872911 Stop leak composition David H. Walley 1989-10-10