Granted Patent
Utility
US 6,686,816 · App. 10/088,367
Method of balancing the bandwidth of a dual-mode filter
Inventor:
Martin Schallner
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Aug 7, 2002
Inventor
Martin Schallner
Assignee (at issue)
Marconi Communications GmbH
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.