Granted Patent
Utility
US 5,072,226 · App. 07/534,217
Radiometer system incorporating a cylindrical parabolic reflector and minimum redundancy array feed
Inventors:
Donald C. D. Chang, Kar W. Yung, Samuel C. Reynolds, Stanley S. Chang
Patented Case
View Patent ↗
Granted: Dec 10, 1991
Filed: Jun 7, 1990
Inventors
Donald C. D. Chang
Kar W. Yung
Samuel C. Reynolds
Stanley S. Chang
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.