Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
WT

Wan-Chin Tung

Overall (All Time): #1,629,242 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6092399 Rolling drum type washing structure of a cloth washing apparatus Jing-Shing Chern 2000-07-25
6000156 Structure of a heating drum for ironing machines Jing-Shing Chern 1999-12-14
5953938 Rolling drum type washing structure of a cloth washing apparatus Jing-Shing Chern 1999-09-21