WF

Walter M. Freitas

WC W.R. Grace & Co.-Conn.: 1 patents #543 of 1,045Top 55%
📍 São Paulo, BR: #656 of 1,773 inventorsTop 40%
Overall (All Time): #3,527,293 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6641661 High early strength cement and additives and methods for making the same Leslie A. Jardine, Josephine H. Cheung 2003-11-04