Granted Patent
Utility
US 4,893,905 · App. 07/204,646
Optical light valve system for providing phase conjugated beam of controllable intensity
Inventors:
Uzi Efron, Yuri Owechko
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Jun 10, 1988
Inventors
Uzi Efron
Yuri Owechko
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.