YH

Yan-Ju Hsun

Overall (All Time): #1,655,178 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5333869 Game apparatus — 1994-08-02
5215305 Game apparatus — 1993-06-01
5145441 Constructional kit — 1992-09-08