Granted Patent
Utility
US 5,081,464 · App. 07/551,824
Method and apparatus for producing multiple, frequency-addressable scanning beams
Inventor:
Kenneth H. Renshaw
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Jul 12, 1990
Inventor
Kenneth H. Renshaw
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.