Granted Patent
Utility
US 4,258,365 · App. 06/101,258
Around-the-mast rotary annular antenna feed coupler
Inventors:
George A. Hockham, Ronald I. Wolfson
Patented Case
View Patent ↗
Granted: Mar 24, 1981
Filed: Dec 7, 1979
Inventors
George A. Hockham
Ronald I. Wolfson
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.