JD

John D. Downs

📍 Woodhall Spa, IL: #1 of 1 inventorsTop 100%
Overall (2017): #370,829 of 506,227Top 75%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9777208 Hydrocarbon-based drilling fluids containing cesium phosphate Siv K. Howard 2017-10-03