Granted Patent
Utility
US 5,076,051 · App. 07/475,582
Long life arcjet thruster having diffuse cathode arc attachment
Inventor:
John T. Naff
Patented Case
View Patent ↗
Granted: Dec 31, 1991
Filed: Feb 6, 1990
Inventor
John T. Naff
Assignee (at issue)
Olin Corporation
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.