Granted Patent
Utility
US 4,260,967 · App. 06/023,991
High power waveguide filter
Inventor:
Howard W. Flieger
Patented Case
View Patent ↗
Granted: Apr 7, 1981
Filed: Mar 26, 1979
Inventor
Howard W. Flieger
Assignee (at issue)
Communications Satellite 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.