CT

Cheng-Hsien Tsai

Overall (1997): #17,469 of 185,788Top 10%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5634538 Wheel assembly mounting structure for trunks — 1997-06-03
5626351 Collapsible hand cart — 1997-05-06
5613273 Retractable handle assembly of a suitcase truck — 1997-03-25