Granted Patent
Utility
US 4,378,532 · App. 06/296,746
Oscillator mode suppression apparatus having bandpass effect
Inventor:
John R. Burgoon
Patented Case
View Patent ↗
Granted: Mar 29, 1983
Filed: Aug 27, 1981
Inventor
John R. Burgoon
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.