Granted Patent
Utility
US 4,800,716 · App. 06/889,451
Efficiency arcjet thruster with controlled arc startup and steady state attachment
Inventors:
William Smith, Steven C. Knowles
Patented Case
View Patent ↗
Granted: Jan 31, 1989
Filed: Jul 23, 1986
Inventors
William Smith
Steven C. Knowles
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.