Granted Patent
Utility
US 4,980,693 · App. 07/317,882
Focal plane array antenna
Inventors:
Mon N. Wong, Robert J. Patin, Donald C. D. Chang
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Mar 2, 1989
Inventors
Mon N. Wong
Robert J. Patin
Donald C. D. 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.