Granted Patent
Utility
US 5,724,043 · App. 08/509,620
Variable frequency microwave tropopause sensor system and method
Inventors:
Richard C. Savage, James L. Peirce
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Jul 31, 1995
Inventors
Richard C. Savage
James L. Peirce
Assignee (at issue)
Hughes Aircraft Company
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.