Granted Patent
Utility
US 4,646,097 · App. 06/730,559
Off-channel frequency discriminator circuit for use in a precision distance measuring equipment (DME/P) receiver
Inventor:
Dennis D. King
Patented Case
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Granted: Feb 24, 1987
Filed: May 6, 1985
Inventor
Dennis D. King
Assignee (at issue)
E-Systems, 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.