Granted Patent
Utility
US 6,552,490 · App. 09/668,008
Multiple stage depressed collector (MSDC) klystron based amplifier for ground based satellite and terrestrial communications
Inventors:
Michael J. Cascone, Eric Oiesen
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Sep 21, 2000
Inventors
Michael J. Cascone
Eric Oiesen
Assignee (at issue)
Communications & Power Industries LLC
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.