Granted Patent
Utility
US 6,657,425 · App. 09/891,668
Power measurement circuit including harmonic filter
Inventors:
Tirdad Sowlati, Sifen Luo
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Jun 26, 2001
Inventors
Tirdad Sowlati
Sifen Luo
Assignee (at issue)
KONINKLIJKE PHILIPS ELECTRONICS NV
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.