Granted Patent
Utility
US 4,777,459 · App. 07/059,707
Microwave multiplexer with multimode filter
Inventor:
Thomas Hudspeth
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Jun 8, 1987
Inventor
Thomas Hudspeth
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.