Granted Patent
Utility
US 4,866,929 · App. 07/166,088
Hybrid electrothermal/electromagnetic arcjet thruster and thrust-producing method
Inventors:
Steve Knowles, William Smith
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Mar 9, 1988
Inventors
Steve Knowles
William Smith
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.