Granted Patent
Utility
US 5,469,022 · App. 08/099,746
Extended interaction output circuit using modified disk-loaded waveguide
Inventors:
Syeda R. Begum, Robert S. Symons
Patented Case
View Patent ↗
Granted: Nov 21, 1995
Filed: Jul 30, 1993
Inventors
Syeda R. Begum
Robert S. Symons
Assignee (at issue)
Litton Systems, Inc.
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.