RK

Robert F. Keefer

📍 Morgantown, WV: #279 of 509 inventorsTop 55%
🗺 West Virginia: #1,664 of 3,425 inventorsTop 50%
Overall (All Time): #4,051,199 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4381772 Bioerodible diaphragm Fernando G. Guistini, Frank J. Keefer 1983-05-03