CK

Clifton L. Kehr

WC W.R. Grace & Co.-Conn.: 1 patents #25 of 94Top 30%
📍 Silver Spring, MD: #14 of 68 inventorsTop 25%
🗺 Maryland: #225 of 1,164 inventorsTop 20%
Overall (1989): #124,898 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4886866 Contact lenses based on biocompatible polyurethane and polyurea-urethane hydrated polymers James A. Braatz 1989-12-12