Granted Patent
Utility
US 6,318,069 · App. 09/496,888
Ion thruster having grids made of oriented pyrolytic graphite
Inventors:
Louis R. Falce, John R. Beattie
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Feb 2, 2000
Inventors
Louis R. Falce
John R. Beattie
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.