Granted Patent
Utility
US 4,934,779 · App. 07/342,007
System and method for low noise optical retroreflection with gain
Inventor:
Gilmore J. Dunning
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Apr 24, 1989
Inventor
Gilmore J. Dunning
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.