Kingston
Canada
5
2014-09-25
The entities that hold a legal rights for patent applications filed by inventor LAM John:
John LAM from Kingston, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
High power factor, electrolytic capacitor-less driver circuit for light-emitting diode lamps
#2 | 2014-08-07Digital controller for an electronic ballast
#3 | 2012-12-06Digital controller for an electronic ballast
#4 | 2012-06-14Electronic ballast with high power factor
#5 | 2010-02-18Electronic ballast with high power factor
860157 ⎘