Waterloo
Canada
3
2020-04-09
The entities that hold a legal rights for patent applications filed by inventor BAO Cheng:
Cheng BAO from Waterloo, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
System and method for over voltage protection in both positive and negative polarities
#2 | 2013-05-23METHOD AND SYSTEM FOR INDUCTIVELY CHARGING AN ELECTRONIC DEVICE
#3 | 2010-03-18Power supply circuit and method for providing output voltage to charge a battery
257047 ⎘