Granted Patent
Utility
US 4,079,293 · App. 05/724,551
Switched mode vertical amplifier with elimination of feedback ringing
Inventor:
Peter E. Haferl
Patented Case
View Patent ↗
Granted: Mar 14, 1978
Filed: Sep 20, 1976
Inventor
Peter E. Haferl
Assignee (at issue)
RCA 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.