DC

Douglas D. Clarkson

WC W.R. Grace & Co.-Conn.: 2 patents #9 of 94Top 10%
📍 Painted Cave, CA: #1 of 1 inventorsTop 100%
🗺 California: #676 of 10,592 inventorsTop 7%
Overall (1989): #28,929 of 140,708Top 25%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4863616 Microbiological control process Richard P. Clifford, Alan Marshall 1989-09-05
4853411 Biocide Richard P. Clifford 1989-08-01