Granted Patent
Utility
US 6,239,673 · App. 09/404,872
Dielectric resonator filter having reduced spurious modes
Inventors:
Robert J. Wenzel, William G. Erlinger, Paul Bartley, Lucy Bartley
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Sep 23, 1999
Inventors
Robert J. Wenzel
William G. Erlinger
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.