Granted Patent
Utility
US 4,267,528 · App. 06/038,101
Radio frequency interference suppression apparatus
Inventor:
Gerald E. Thornberry
Patented Case
View Patent ↗
Granted: May 12, 1981
Filed: May 11, 1979
Inventor
Gerald E. Thornberry
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.