RB

Ronald K. Borrevik

TC The Chemithon: 1 patents #10 of 21Top 50%
📍 Seattle, WA: #14,120 of 21,776 inventorsTop 65%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #3,856,378 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5136088 Sulfonation process for viscous sulfonic acid David E. Farmer, Norman C. Foster, Thomas J. Loughney, William B. Sheats 1992-08-04