Granted Patent
Utility
US 6,828,753 · App. 10/644,666
Input filter for A.C. motor phase current sensing
Inventors:
Massimo Grasso, Sergio Morini, Alessandro Rugginenti
Patented Case
View Patent ↗
Granted: Dec 7, 2004
Filed: Aug 20, 2003
Inventors
Massimo Grasso
Sergio Morini
Alessandro Rugginenti
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.