Granted Patent
Utility
US 4,255,752 · App. 05/942,070
Lightweight composite slotted-waveguide antenna and method of manufacture
Inventors:
Walter J. Noble, John W. Small
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: Sep 13, 1978
Inventors
Walter J. Noble
John W. Small
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.