Granted Patent
Utility
US 4,780,693 · App. 06/929,459
Probe coupled waveguide multiplexer
Inventors:
Joseph Elliott, Rolf Kich
Patented Case
View Patent ↗
Granted: Oct 25, 1988
Filed: Nov 12, 1986
Inventors
Joseph Elliott
Rolf Kich
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.