TC

Tung-Sen Chen

Overall (2005): #30,497 of 245,428Top 15%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6923841 Filter element of an air filter with far infrared energy 2005-08-02
6871641 Air-activating device 2005-03-29