CY

Chiu-Hsiung Yang

UN Unknown: 1 patents #172 of 2,033Top 9%
Overall (1994): #36,648 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5323798 Flashing umbrella 1994-06-28
5309933 One-hand openable and closable umbrella Hisao Nagai 1994-05-10