CT

Cheng Yuan Tseng

Overall (All Time): #1,612,279 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6626198 Resilient stave support assembly for umbrella — 2003-09-30
6422251 Umbrella having a simplified configuration — 2002-07-23
6418950 Umbrella having a rotation prevention mechanism — 2002-07-16