Granted Patent
Utility
US 4,828,368 · App. 06/880,217
Near bandgap radiation modulation spatial light modulators
Inventors:
Uzi Efron, Jan Grinberg
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Jun 30, 1986
Inventors
Uzi Efron
Jan Grinberg
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.