Granted Patent
Utility
US 5,691,978 · App. 08/786,197
Self-cancelling full-duplex RF communication system
Inventor:
Gary Robert Kenworthy
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Jan 21, 1997
Inventor
Gary Robert Kenworthy
Assignee (at issue)
Signal Sciences Corporation
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.