Granted Patent
Utility
US 6,492,883 · App. 10/000,490
Method of channel frequency allocation for RF and microwave duplexers
Inventors:
Xiao-Peng Liang, John Robinson
Patented Case
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Granted: Dec 10, 2002
Filed: Nov 2, 2001
Inventors
Xiao-Peng Liang
John Robinson
Assignee (at issue)
Paratek Microwave, 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.