Granted Patent
Utility
US 4,672,340 · App. 06/043,471
Multipactor discharge tuned resonant cavity devices
Inventors:
Maurice Esterson, Michael Barry Clive Brady
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: May 30, 1979
Inventors
Maurice Esterson
Michael Barry Clive Brady
Assignee (at issue)
English Electric Valve Co., Ltd.
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.