RK

Robert Keffer

BH Bayer Healthcare: 1 patents #4,623 of 8,007Top 60%
📍 Nederland, TX: #29 of 55 inventorsTop 55%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,678,964 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5729911 Dewatering and drying of EP(D)M Kevin M. Kelleher, James R. Frazier, Chris B. Gyasi, Donald M. Zierold 1998-03-24