JY

Johnson Chung Sing Yu

Overall (All Time): #2,298,293 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5369843 Gravity locking articulation for a briefcase — 1994-12-06
D342192 Temperature sustaining cup holder for use in motor vehicles — 1993-12-14