Granted Patent
Utility
US 5,170,171 · App. 07/762,908
Three dimensional interferometric synthetic aperture radar terrain mapping employing altitude measurement
Inventor:
William M. Brown
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Sep 19, 1991
Inventor
William M. Brown
Assignee (at issue)
Environmental Research Institute
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.