RS

Roy D. Sawyer

NC Nalco Chemical: 3 patents #168 of 631Top 30%
📍 Missouri City, TX: #382 of 1,012 inventorsTop 40%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,657,171 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5195879 Improved method for injecting treatment chemicals using a constant flow positive displacement pumping apparatus D. Dwaine Reese, Stanley G. Crow 1993-03-23
5066199 Method for injecting treatment chemicals using a constant flow positive displacement pumping apparatus D. Dwaine Reese, Stanley G. Crow 1991-11-19
4335072 Overhead corrosion simulator Jack Barnett 1982-06-15