Granted Patent
Utility
US 4,866,451 · App. 06/623,877
Broadband circular polarization arrangement for microstrip array antenna
Inventor:
Chun-Hong Chen
Patented Case
View Patent ↗
Granted: Sep 12, 1989
Filed: Jun 25, 1984
Inventor
Chun-Hong Chen
Assignee (at issue)
Communications Satellite Corporation
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.