KH

Ko Ching Ho

Overall (All Time): #2,245,460 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D404094 Exercise device — 1999-01-12
5743830 Torsion exercise device for arm and wrist — 1998-04-28