Granted Patent
Utility
US 4,882,465 · App. 07/103,471
Arcjet thruster with improved arc attachment for enhancement of efficiency
Inventors:
William Smith, Steven C. Knowles
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Oct 1, 1987
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.