HC

Hoi C. Chan

📍 Sha Tin, CN: #514 of 2,424 inventorsTop 25%
Overall (All Time): #1,651,038 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5416936 Rolling-massaging mattress or cushion — 1995-05-23
5323499 Massaging mattress — 1994-06-28
5168588 Massaging mattress — 1992-12-08