Granted Patent
Utility
US 5,177,488 · App. 07/773,187
Programmable fiber optic delay line, and radar target simulation system incorporating the same
Inventors:
Harry T. Wang, Irwin L. Newberg, Adrian E. Popa, Robert R. Hayes, John K. Keigharn, Bill H. Otoide
Patented Case
View Patent ↗
Granted: Jan 5, 1993
Filed: Oct 8, 1991
Inventors
Harry T. Wang
Irwin L. Newberg
Adrian E. Popa
Robert R. Hayes
John K. Keigharn
Bill H. Otoide
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.