LC

Li-Mei Chang

UN Unknown: 3 patents #7,366 of 83,584Top 9%
CC Changchun Railway Vehicles Co.: 1 patents #2 of 5Top 40%
Overall (All Time): #1,502,840 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9260119 Full butt joint structure of connection joint between side frame and cross beam of bogie frame and assembly welding process — 2016-02-16
D449081 Self walking vehicle body — 2001-10-09
6270095 Foldable skate board scooter — 2001-08-07