DJ

Dennis E. J. Johnson

🗺 Wisconsin: #744 of 2,880 inventorsTop 30%
Overall (2005): #212,575 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6923901 Non-chemical water treatment method and apparatus employing ionized air purification technologies for marine application Charles E. Leffler 2005-08-02