Granted Patent
Utility
US 5,677,697 · App. 08/608,589
Millimeter wave arrays using Rotman lens and optical heterodyne
Inventors:
J. J. Lee, Willie W. Ng, Gregory L. Tangonan
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Feb 28, 1996
Inventors
J. J. Lee
Willie W. Ng
Gregory L. Tangonan
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.