Granted Patent
Utility
US 6,353,373 · App. 09/563,883
Coupling mechanisms for dielectric resonator loaded cavity filters
Inventors:
Xiao-Pang Liang, Michael Butler
Patented Case
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Granted: Mar 5, 2002
Filed: May 3, 2000
Inventors
Xiao-Pang Liang
Michael Butler
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.