Granted Patent
Utility
US 4,690,353 · App. 06/739,792
Electro-expulsive separation system
Inventors:
Leonard A. Haslim, Robert D. Lee
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: May 31, 1985
Inventors
Leonard A. Haslim
Robert D. Lee
Assignee (at issue)
The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
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.