Granted Patent
Utility
US 6,806,686 · App. 10/423,708
Charge balancing circuit
Inventor:
Guy Thrap
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Apr 25, 2003
Inventor
Guy Thrap
Assignee (at issue)
Maxwell Technologies, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.