Granted Patent
Utility
US 5,438,439 · App. 08/106,288
Non-destructive readout mechanism for volume holograms using two wavelengths
Inventors:
Fai Mok, Demetri Psaltis, Hsin-Yu Li
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Aug 13, 1993
Inventors
Fai Mok
Demetri Psaltis
Hsin-Yu Li
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.