Granted Patent
Utility
US 5,428,322 · App. 08/198,420
Microwave waveguide multiplexer
Inventors:
Louis W. Hendrick, Krishnan Raghavan, Craig N. Schwartz
Patented Case
View Patent ↗
Granted: Jun 27, 1995
Filed: Feb 22, 1994
Inventors
Louis W. Hendrick
Krishnan Raghavan
Craig N. Schwartz
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.