Granted Patent
Utility
US 5,222,162 · App. 07/800,663
Monolithic integrated optical time delay network for antenna beam steering
Inventors:
Daniel Yap, Willie W. Ng, Robert R. Hayes
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Nov 27, 1991
Inventors
Daniel Yap
Willie W. Ng
Robert R. Hayes
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.