Granted Patent
Utility
US 5,218,358 · App. 07/841,393
Low cost architecture for ferrimagnetic antenna/phase shifter
Inventors:
William A. Harrington, James V. Strahan
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Feb 25, 1992
Inventors
William A. Harrington
James V. Strahan
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.