TH

Tan Yuen Hung

HP Holmes Products: 2 patents #21 of 49Top 45%
Overall (All Time): #2,241,833 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6114813 Light sensitive dimmer switch circuit David Lo 2000-09-05
5789869 Light sensitive dimmer switch circuit David Lo 1998-08-04