Fremont, California
United States
4
2011-08-25
The entities that hold a legal rights for patent applications filed by inventor Xu Xiaofeng:
Xiaofeng Xu from Fremont, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Color temperature tunable white light source
#2 | 2010-03-04COLOR TUNABLE LIGHT SOURCE
#3 | 2008-11-13Color tunable light source
#4 | 2008-10-16Color temperature tunable white light source
3430833 ⎘