Granted Patent
Utility
US 4,907,407 · App. 07/154,405
Lifetime arcjet thruster
Inventors:
Mark A. Simon, Steve Knowles, William Smith
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Feb 10, 1988
Inventors
Mark A. Simon
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.