Granted Patent
Utility
US 6,690,230 · App. 10/146,334
Active common mode filter connected in A-C line
Inventor:
Brian R. Pelly
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: May 15, 2002
Inventor
Brian R. Pelly
Assignee (at issue)
International Rectifier Corporation
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.