Granted Patent
Utility
US 5,889,906 · App. 08/864,053
Signal router with coupling of multiple waveguide modes for provicing a shaped multi-channel radiation pattern
Inventor:
Jerry Chen
Patented Case
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Granted: Mar 30, 1999
Filed: May 28, 1997
Inventor
Jerry Chen
Assignee (at issue)
LUCENT TECHNOLOGIES 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.