Granted Patent
Utility
US 6,836,180 · App. 10/602,364
Poly-phase network with resonant circuit bandpass shaping
Inventor:
Sai Kwok
Patented Case
View Patent ↗
Granted: Dec 28, 2004
Filed: Jun 23, 2003
Inventor
Sai Kwok
Assignee (at issue)
M2 Networks, 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.