Granted Patent
Utility
US 4,465,987 · App. 06/415,060
Ring-bar slow wave structure and fabrication method
Inventor:
Arthur E. Manoly
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Sep 7, 1982
Inventor
Arthur E. Manoly
Assignee (at issue)
Hughes Aircraft 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.