Granted Patent
Utility
US 6,094,009 · App. 08/869,843
High efficiency collector for traveling wave tubes with high perveance beams using focusing lens effects
Inventor:
Dan M. Goebel
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Jun 5, 1997
Inventor
Dan M. Goebel
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.