Granted Patent
Utility
US 4,800,322 · App. 07/106,976
Broadband klystron cavity arrangement
Inventor:
Robert S. Symons
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Oct 1, 1987
Inventor
Robert S. Symons
Assignee (at issue)
Litton Systems, Inc.
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.