Granted Patent
Utility
US 4,408,205 · App. 06/277,149
Multiple beam antenna feed arrangement for generating an arbitrary number of independent steerable nulls
Inventor:
George A. Hockham
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Jun 25, 1981
Inventor
George A. Hockham
Assignee (at issue)
International Telephone and Telegraph 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.