TC

Tung-Sen Chen

Overall (All Time): #1,160,212 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11143148 Air reactivator — 2021-10-12
6923841 Filter element of an air filter with far infrared energy — 2005-08-02
6871641 Air-activating device — 2005-03-29
6244254 Power activating device — 2001-06-12