KS

Kan Wah Kan Sum

📍 Sha Tin, CN: #514 of 2,424 inventorsTop 25%
Overall (All Time): #1,476,616 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10126637 Projection device for projecting images on a surface of the device Chun Yuen Lau 2018-11-13
9946141 Projection device for projecting images on a surface of the device Chun Yuen Lau 2018-04-17
9750294 Decoration device with projection images for holidays, festivals and parties Chun Yuen Lau 2017-09-05