Granted Patent
Utility
US 5,087,922 · App. 07/447,974
Multi-frequency band phased array antenna using coplanar dipole array with multiple feed ports
Inventors:
Raymond Tang, Kuan M. Lee, Ruey S. Chu
Patented Case
View Patent ↗
Granted: Feb 11, 1992
Filed: Dec 8, 1989
Inventors
Raymond Tang
Kuan M. Lee
Ruey S. Chu
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.