Granted Patent
Utility
US 4,423,392 · App. 06/325,686
Dual-mode stripline antenna feed performing multiple angularly separated beams in space
Inventor:
Ronald I. Wolfson
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Nov 30, 1981
Inventor
Ronald I. Wolfson
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.