Granted Patent
Utility
US 5,208,564 · App. 07/812,243
Electronic phase shifting circuit for use in a phased radar antenna array
Inventors:
Richard W. Burns, Darren E. Atkinson
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Dec 19, 1991
Inventors
Richard W. Burns
Darren E. Atkinson
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.