Granted Patent
Utility
US 5,841,330 · App. 08/412,030
Series coupled filters where the first filter is a dielectric resonator filter with cross-coupling
Inventors:
Robert J. Wenzel, William G. Erlinger, Peter J. Melling, Paul Bartley, Lucy Bartley
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Mar 23, 1995
Inventors
Robert J. Wenzel
William G. Erlinger
Peter J. Melling
Paul Bartley
Lucy Bartley
Assignee (at issue)
Bartley Machines & Manufacturing
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.