PY

Pui Hang Yuen

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Sha Tin, CN: #514 of 2,424 inventorsTop 25%
Overall (All Time): #1,584,583 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D582577 Light bulb — 2008-12-09
D553267 LED light bulb — 2007-10-16
6891471 Expandable object tracking system and devices Sik Hing Yuen, Laurence J. Minikes 2005-05-10