DJ

Dennis E. J. Johnson

🗺 Wisconsin: #804 of 3,158 inventorsTop 30%
Overall (2004): #234,862 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6740245 Non-chemical water treatment method and apparatus employing ionized air purification technologies 2004-05-25