Granted Patent
Utility
US 5,315,210 · App. 07/882,141
Klystron resonant cavity operating in TM.sub.01X mode, where X is greater than zero
Inventor:
Erling L. Lien
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: May 12, 1992
Inventor
Erling L. Lien
Assignee (at issue)
Varian, 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.