DD

David C. Dehm

AC Arco Chemical: 1 patents #1 of 9Top 15%
📍 Thornton, PA: #1 of 2 inventorsTop 50%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #123,507 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4797450 Additives for water-base drilling fluid and process H. Franklin Lawson 1989-01-10