Granted Patent
Utility
US 4,544,928 · App. 06/169,272
Multifrequency reflector antenna
Inventors:
Mostafa S. Afifi, Frank R. Chiappetta
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Jul 16, 1980
Inventors
Mostafa S. Afifi
Frank R. Chiappetta
Assignee (at issue)
General Electric Company
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.