Granted Patent
Utility
US 5,677,693 · App. 08/249,762
Multi-pass and multi-channel interferometric synthetic aperture radars
Inventors:
Robert T. Frankot, Ramesh Rampertab
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: May 26, 1994
Inventors
Robert T. Frankot
Ramesh Rampertab
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.