CN

Chongzheng Na

PS Penn State: 2 patents #350 of 1,788Top 20%
📍 Ann Arbor, MI: #2,859 of 6,071 inventorsTop 50%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,152,806 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7157006 Method for perchlorate removal from ground water Fred Cannon, Robert Parette, Weifang Chen, Benjamin Hagerup 2007-01-02
6881348 Method for perchlorate removal from ground water Fred Cannon, Robert Parette, Weifang Chen, Benjamin Hagerup 2005-04-19